disadvantages and advantages of canal irrigation

Answers

Answer 1

Explanation:

disavantage

many diseases are caused due to spread of mosquitoes, worms and insects on account of stationary water in canals.

advantage

economic development can be expedited by avoiding dangerous droughts. depending on rainfall can be minimized through canal development.


Related Questions

b. What is the scale factor of the dilation that takes Q to P?

Answers

Answer:

0.8

Explanation:

What type of mountain is Mount Everest?

Answers

Answer:

It is apart of the Himalayan mountains.

Explanation:

It is considered the highest point on Earth. Its in a region of China between Nepal and Tibet. it was named after George Everest Define surveyor general of India.

(I researched from National Geographic page. I hope this helps and if you need different information about the mountain I'll be happy to help again. just comment below my answer ! )

:)

It is within the Himalayan mountain region and is the largest of those j

Which arrow on the map points to an air mass moving toward a cold front?
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Which arrow on the map points to an air mass moving toward a cold front?10331032021009028 102910291018+1025192410091012D1017H1921004

Answers

We can deduce here that the arrow on the map that points to an air mass moving toward a cold front is: H 1029 - 1018

What is cold front?

Cold front actually refers to the boundary that shows a mass of cold air advancing. It goes towards the sector of a low-pressure.

We see that the arrow that is moving from the region of high pressure to the region of low pressure and has blue lines is the answer.

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4. Which option is not an advantage to living in a floodplain?
O The land is fertile.
O There is an ample water supply.
4th
OThere is flooding, which supplements the soil.
O Flat land is easier to develop and to farm.

Answers

C. (There is flooding, which supplements the soil)

6. Which is the smallest geographical region in nepal ​

Answers

Answer:

I think it's the Himalayan region.

Answer:

Tarai plains of Kechana Kalan in Jhapa (60 m).

What the similarities between the Hoyt’s sector model and the concentric model??? help

And also what the difference between the two models???

Answers

Hoyt's sector model and the concentric model are both urban land use models that describe the spatial organization of cities. While they have some similarities, they also have distinct characteristics.

Let's explore their similarities:

Central Business District, Urban Expansion, Zones of Transition and Influence of Transportation.

Despite these similarities, there are notable differences between the two models. The concentric model, proposed by Ernest Burgess, envisions a city developing in concentric rings outward from the CBD.

It suggests that as the city grows, new rings of development form around the central core, with each ring representing a different land use or zone.

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the north american interior experiences continental climate, which has little seasonal variation in its temperature range.

Answers

The North American interior experiences a continental climate, which is characterized by a lack of significant seasonal variation in temperature range. In this type of climate, the temperature range remains relatively stable throughout the year, resulting in moderate to cold temperatures.

The temperature range in a continental climate is primarily influenced by the large landmass and the distance from large bodies of water. In contrast to coastal regions, which are moderated by the ocean, the interior of North America experiences greater temperature extremes due to its distance from the moderating influence of the ocean. During the winter months, the interior experiences colder temperatures due to the cold air masses that move southward from the polar regions. During the summer months, the interior experiences warm temperatures as warm air masses move northward from the tropics.

However, despite these seasonal temperature fluctuations, the temperature range in the North American interior remains relatively stable throughout the year. This is because the interior is located far from the moderating influence of the ocean, and the large landmass acts as a heat sink, absorbing and retaining heat. This results in a more gradual transition of temperatures, leading to a smaller seasonal variation in temperature range compared to coastal regions.

In conclusion, the North American interior experiences a continental climate, which is characterized by a relatively stable temperature range throughout the year. The temperature range in this region is influenced by the large landmass, distance from large bodies of water, and the movement of air masses.

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which rock layer shows the greatest resistance to weathering and erosion?; which agent of erosion most likely formed the drumlins and finger lakes in new york state; what is the main factor that causes the bedrock to weather at different rates; the ridge of sediments from x to y can best be described as; as a quartz pebble is transported by a stream, the pebble will become more rounded as a result of; the mineral composition of a residual soil is most affected by the; at which location would deposition of sediments most likely be greater than erosion; which agent of erosion most likely moves sediments in a sand dune

Answers

Sedimentary rock and the weathering, erosion, and lithification processes that produce it is essential to comprehending Earth Science.

This is due to the fact that sedimentary rocks and their common ancestor, sediments, make up the majority of the Earth's surface. Sedimentary rocks can form in a variety of ways, but water is always a part of their origin and production. In contrast to metamorphic and igneous rocks, which are generated deep beneath the Earth, sedimentary rocks are formed on or around the surface of the planet.

Erosion, weathering, dissolution, precipitation, and lithification are the main geological processes that result in the formation of sedimentary rocks.

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Draw and describe a systems diagram that illustrates biogeographical, biochemical or biophysical feedback in a forest ecosystem. Be as specific as you can. State the type of feedback you are describing and explain the system diagram.

Answers

Type of Feedback: Biophysical Feedback. The biophysical feedback in this forest ecosystem diagram highlights the interconnectedness and interdependence of various components. The diagram demonstrates how trees and abiotic factors like sunlight, rainfall, and soil interact, influencing each other's functioning and ultimately shaping the dynamics of the forest ecosystem.

System Diagram Description:

In a forest ecosystem, biophysical feedback refers to the interactions between biotic (living) and abiotic (non-living) components of the system, which influence each other's behavior and dynamics. Here is a description of a simplified systems diagram illustrating biophysical feedback in a forest ecosystem:

1. Biotic Components:

  - Trees: Represented as large circles or shapes in the diagram, trees play a central role in the forest ecosystem. They provide habitat for various organisms, regulate temperature and humidity, and contribute to nutrient cycling.

  - Animals: Depicted as smaller shapes, animals such as birds, mammals, and insects interact with trees for food, shelter, and dispersal of seeds.

2. Abiotic Components:

  - Sunlight: Shown as rays or arrows, sunlight is a crucial abiotic factor that drives photosynthesis in trees, enabling them to produce energy and grow.

  - Rainfall: Represented by water droplets or arrows, rainfall provides water for tree growth, nutrient uptake, and supports the overall functioning of the ecosystem.

  - Soil: Depicted as a layer beneath the trees, soil contains organic matter, minerals, and microorganisms essential for nutrient cycling and root anchorage.

3. Feedback Interactions:

  - Photosynthesis: The trees' leaves capture sunlight and convert it into energy through photosynthesis. This process not only sustains tree growth but also releases oxygen into the atmosphere, supporting the respiratory needs of animals.

  - Transpiration: Trees lose water through their leaves via transpiration, which influences the humidity and microclimate of the forest. This can affect rainfall patterns and the availability of water for both trees and animals.

  - Nutrient Cycling: Fallen leaves and organic matter decompose in the soil, releasing nutrients that are absorbed by tree roots. This nutrient cycling supports tree growth and sustains the health of the entire forest ecosystem.

  - Wildlife Interactions: Animals, through their feeding behaviors, contribute to the dispersal of seeds, which influences tree regeneration and species diversity within the forest.

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What is migration selectivity?

The places where people choose to migrate
The act of following family members to new locations
The places from which people migrate
The push-pull factors that influence migration
The likelihood that one subset of people is going to migrate

Answers

The likelihood that one subset of people is going to migrate is migration selectivity.

The degree of migration's selectivity varies greatly between ethnic/origin country groupings and the nations to which these groups have migrated. Positively selected immigrant communities might be less disadvantaged than neutrally or negatively selected immigrant communities, but institutions in the destination country are likely to change the size of these disparities.

In comparison to homestayers, migrants are said to be more positively self-selected in terms of educational attainment, motivation, ability, and effort. Economic theory would expect positive selection on education given a fixed amount of relocation expenses for all migrants, even if the (positive) returns to education are identical between origin and destination countries.

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the description, "beginning with a corner at the intersection of two stone walls near an old oak tree" can be found in what method of describing land?

Answers

The description, "beginning with a corner at the intersection of two stone walls near an old oak tree," can be found in the metes and bounds method of describing land.

The metes and bounds method is a system of describing land by using natural landmarks, such as trees, rivers, or existing structures, as reference points. It typically starts at a well-defined point, often a corner, and proceeds to describe the boundaries of the land using distances and directions.

In the given description, the starting point is the corner at the intersection of two stone walls near an old oak tree. From this starting point, the boundaries of the land would be outlined by specifying distances and directions, such as "running 200 feet west," "then turning 90 degrees north," and so on.

The metes and bounds method of land description was commonly used in older land surveys and legal descriptions, particularly in areas with irregular or non-rectangular land divisions. While modern methods such as the rectangular survey system (used in the Public Land Survey System) have become more prevalent, metes and bounds descriptions are still used in some legal documents and property deeds, especially for parcels with complex boundaries or in areas where older land records are maintained.

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help me plz and thank you

help me plz and thank you

Answers

Answer:

16 newtons.

Explanation:

fill in the blank.surface ocean circulation is driven primarily by____and modified by___. question 11 options: density differences; the coriolis effect and land density differences; differences in salinity and temperature latitude; differences in salinity and land wind; the coriolis effect and land wind; gravity and density

Answers

Surface ocean circulation is driven primarily by the Coriolis effect and modified by density differences.

The Coriolis effect causes the movement of water to deflect to the right in the Northern Hemisphere and to the left in the Southern Hemisphere, resulting in the formation of gyres, which are large systems of rotating currents. Land wind, such as the trade winds and westerlies, also play a role in driving surface ocean circulation by pushing surface water in the direction of the prevailing wind.

Density differences, on the other hand, are caused by variations in temperature and salinity. Water that is colder and saltier is denser and sinks, while warmer and fresher water is less dense and rises. This creates vertical movements of water that can affect the horizontal flow of ocean currents. Overall, a combination of these factors drives surface ocean circulation, which plays a crucial role in regulating global climate and distributing nutrients and heat around the world.

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If you were a geologist, which of these tools would you use to measure the mass of a mineral sample?

PLEASE HELP ASAP :(





a) Balance scale

b) Graduated Cylinder

c) Ruler

d) Thermometer

Answers

Answer:

A: Balance scale

Explanation:

because mass = weight

so a balanced scale

Balance scale. A scale is used to measure mass. Hope this helps!

Question 4 (1 point)
Germany, Spain and Italy share a border with


Answers

Answer:

They all Share a border with France

Explanation:

they all share a border with france

how can economic growth can have harmful impacts on the environment?

Answers

Answer:

If the economy grows too much too quickly, it can cause a surplus of materials and it can cause countries to fight over them.

Explanation:

Hope this helps

Answer:

The increase in economic growth will also mean that there will be more supply of everything, meaning more factories to be build and pollution. It also provides new opportunities to develop civilization and construction would mean more trees being cut down and areas to be flatten for houses, and the animals will lose their homes.

What is the name of these islands?

What is the name of these islands?

Answers

…Palau’s Coral Reefs

The name of these islands is Raja Ampat Islands.

Raja Ampat is an archipelago located off the northwest tip of Bird,s Head Peninsula in West Papua. These are located on the island of New Guinea in Indonesia.

It comprises more than 600 small islands with four major isles: Walgeo, Misoo, Bantana, and Salawati. It also has a smaller island named Kofiau.

It forms part of the Coral Triangle which contains the world's richest marine diversity. It is popularly known for its biodiversity and coral reefs. The islands are a part of the Vogelkop-Aru lowland rainforests ecoregion and are home to many species of mammals, reptiles, and insects.

It is a popular tourist attraction and is one of the best spots for scuba diving, snorkeling, and birdwatching.

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What feature is associated with a temperature inversion?a) a stable layer of airb) an unstable layer of airc) chinook winds on mountain slopes

Answers

A temperature inversion is associated with a stable layer of air. The correct answer is the option a.

This occurs when the temperature of the air increases with height, instead of decreasing as it normally does. This creates a layer of warm air above a layer of cooler air, which acts as a lid and traps pollutants and other particles in the lower layer. This can lead to poor air quality and reduced visibility.

Temperature inversions can occur naturally, such as during nighttime cooling or in polar regions, or they can be caused by human activities like industrial emissions or traffic. In some cases, temperature inversions can also lead to other weather phenomena, such as fog or low clouds.

It is important to monitor temperature inversions and their effects on air quality, as they can have negative impacts on both human health and the environment.

Therefore, the correct answer is option a) a stable layer of air.

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which reservoir of global carbon does not rapidly cycle carbon between itself and other reservoirs?

Answers

The reservoir of global carbon that does not rapidly cycle carbon between itself and other reservoirs is the lithosphere.

The lithosphere, which includes rocks, minerals, and soil, is a relatively slow and long-term storage of carbon. Carbon is stored in the lithosphere through processes like weathering and sedimentation, which take place over geological timescales. Unlike other reservoirs such as the atmosphere, oceans, and biosphere, the exchange of carbon between the lithosphere and other reservoirs is much slower. Carbon stored in the lithosphere can remain locked away for thousands or even millions of years before being released back into the carbon cycle through geological processes like volcanic activity or tectonic plate movements. This slow cycling of carbon makes the lithosphere an important long-term storage reservoir, influencing the carbon balance and climate over geological timescales.

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how much does the entire life cycle of an extra-tropical cyclone last...

Answers

Cyclone dynamical strength is frequently used to describe an ETC's life cycle. The sea level pressure (SLP) near the centre, the vorticity, or the surface wind speed can be used to determine if a cyclone is in its intensifying, peaking, or declining phases.

Extratropical cyclones, also known as mid-latitude cyclones or wave cyclones, are low-pressure systems that, combined with high-pressure system anticyclones, control the weather across a large portion of the planet. Cloud cover and light rain to strong gales, thunderstorms, blizzards, and tornadoes can all be caused by extratropical cyclones.

Large scale (synoptic) low pressure weather systems that develop in the equatorial middle latitudes of the Earth are known as these kinds of cyclones. Extratropical cyclones cause fast fluctuations in temperature and dew point along broad areas, known as weather fronts, near the centre of the storm, in contrast to tropical cyclones.

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Full Question: What is the life cycle of extratropical cyclone?

G. Using the maps explain how oranges, as a global food source, are part of a commodity
chain within multinational agribusiness corporations.

Answers

Answer:

Oranges, as a global food source, are part of a commodity chain within multinational agribusiness corporations because they are grown in various regions around the world and then transported to different markets for consumption. The maps can help explain this by showing the locations of orange production, processing facilities, and distribution centers.

For example, a map of orange production would show the main orange-growing regions around the world, such as California in the United States, Spain and Italy in Europe, and Brazil and Chile in South America. These regions are typically controlled by large agribusiness corporations, who own and operate the orange groves and sell the oranges to processing facilities.

A map of orange processing facilities would show the locations of these facilities, which are often located near the orange-growing regions. These facilities are responsible for washing, grading, packing, and storing the oranges before they are distributed to various markets.

A map of orange distribution centers would show the locations of these centers, which are often located near major population centers. These centers are responsible for distributing the oranges to supermarkets, grocery stores, and other retailers for sale to consumers.

Overall, the maps can help demonstrate how oranges, as a global food source, are part of a commodity chain within multinational agribusiness corporations. The oranges are grown in various regions, processed in facilities, and distributed to various markets, all of which are controlled by large agribusiness corporations.

Explanation:

how will a lower ocean ph caused by ocean acidification affect coral reefs?

Answers

Coral reefs are under threat from ocean acidification, which is caused by a decrease in seawater pH.

The effect of a lower ocean pH due to ocean acidification on coral reefs is that it will negatively impact their growth, development, and overall health.

How will a lower ocean pH caused by ocean acidification affect coral reefs?

Coral reefs are negatively affected by ocean acidification due to a decrease in pH, which makes the water more acidic.

Acidification of ocean water can cause corals to erode and break down because the pH of the water has become too low.

As a result, coral reefs will be impacted in the following ways:

The acidic environment makes it difficult for corals to create skeletons and other hard structures.

The amount of available carbonate ions in seawater, which are required by corals to build their skeletons, is decreasing.

Acidification harms some organisms that form coral reefs, reducing the amount of available space for corals to grow in.

Acidification harms the health of other organisms, including some that corals depend on for food and other things.

What is ocean acidification?

Ocean acidification is a process that happens when carbon dioxide from the air and land dissolves into seawater. Carbon dioxide reacts with seawater to form an acid, which then decreases the pH of the water. This reaction makes the water more acidic, and it is what causes ocean acidification.It is caused by human activities, such as burning fossil fuels.

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In your own words define the following term.

1 designed world

Answers

Answer:

to me The designed world is the product of a design process, which provides ways  to turn resources  materials, tools and machines, people, information, energy, capital, and time into products and services.

Explanation:

Answer:

Refers to everything that people do to change the world to suit human needs and wants.

OAmalOHopeO

Question 1 of 18
Suppose that g(x) = f(x) - 16. Which statement best compares the graph of
g(x) with the graph of f(x)

Answers

g(x) is f(x) translated down 16 units.

can u guys help me, idk how to answer this.

can u guys help me, idk how to answer this.

Answers

One way could be eating less beef. Beef comes from cows, and cows produce the gas methane when they fart, which speeds up the process of global warming and so the less people that eat beef, the less cows are bred and reproduced, so there is less methane gas going into the air. Another way is simply walking or riding your bike in place of driving your car. Cars produce a lot of CO2, which is also bad for the air. Another way would just be to install solar panels on your house so you’re not using fossil fuels when you heat your house and turn in the lights and whatnot

which country has the greatest number on internally displaced people?
a: jordan
b: nigeria
c: iraq
d: sudan
e: germany

Answers

Iraq

Explanation:

3.6 million people displaced

what do we call the continuously moving part of the earth's crust? ​

Answers

Answer:

lithosphere

Explanation:

Tectonic shift is the movement of the plates that make up Earth's crust. The Earth is made up of roughly a dozen major plates and several minor plates. The Earth is in a constant state of change. Earth's crust, called the lithosphere, consists of 15 to 20 moving tectonic plates.

HELPPPPP!!!!! I need help quick (not a test btw)

HELPPPPP!!!!! I need help quick (not a test btw)

Answers

Answer: A. Pressure from sediment turned decaying plankton at the bottom of the ocean into natural gas.

The natural gas deposits formed is  pressure from sediment turned decaying plankton at the bottom of the ocean into natural gas. Thus, the option (a) is correct.

What is the natural gas?

Natural gas is defined as gas formed from a combination of other gases, such as hydrocarbons, alkanes, and methane. The gases depend on the state of the atmosphere. Propane, pentane, ethane, hexane, and butane are all present in trace levels in natural gas. Carbon and hydrogen atoms combine to create the gas known as methane.

Phytoplankton and zooplankton are two different types of plankton that are related to both plants and animals. Natural gas are microscopic plankton in their natural forms. Sediment is the term used to describe plankton on materials that enter the ocean through rivers. Then, as this debris falls to the ocean floor, natural gas is created.

Therefore, option (a) is correct.

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Compare and contrast the advantages and disadvantages of
nuclear power plants and power plants that burn fossil fuels.

Answers

Nuclear and Fossil fuel-burning power plants are thermal power stations that produce heat to make steam to spin a generator and generate electricity. They differ mainly in where their energy comes from; a nuclear reactor produces heat from radioactive metals, and a fossil-fuel plant burns coal, oil, or natural gas.

Nuclear power plants turn a small amount of (different) nonrenewable rock into power and solid pollutants that can be contained quite reliably, with (especially compared to the power produced) very few exceptions.

Fossil fuel-burning power plant turns a large amount of nonrenewable rock (and oil) into power and pollutant gas that can’t easily be contained and gets out into the environment.

The advantages of nuclear power are they are low-carbon energy sources, reliable and cost-effective, and essential to our response to climate change and greenhouse gas emissions, whereas, for fossil fuel-burning plants, they are easy to install, highly efficient and reliable, currently wide availability, an abundance of fossil fuel sources.

The disadvantages of the nuclear power plant are nuclear waste, malfunctions can be catastrophic, and very high upfront costs, whereas, in the case of fossil fuel burning plants, they are unsustainable, incentivized, release vast amounts of harmful byproducts called greenhouse gases (especially carbon dioxide (CO2)), into the atmosphere and non-renewable.

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Why is the water cycle important to the recycling of material on Earth? Explain why some areas have more water than others available

Answers

Answer:

Explanation:

The water cycle is important because water sustains all life on Earth. Through a series of evaporation, transpiration, condensation, precipitation, infiltration, runoff, and other smaller processes, the water cycle keeps the Earth's water clean, distributes the water across the planet's surface, maintains aquatic ecosystems, and aids in the process of plant growth. The water cycle not only keeps all living things alive, but it's become an important tool for the modern human race. Climate change is altering patterns of weather and water around the world.

Answer:

The water cycle is important because water sustains all life on Earth. Through a series of evaporation, transpiration, condensation, precipitation, infiltration, runoff, and other smaller processes, the water cycle keeps the Earth's water clean, distributes the water across the planet's surface, maintains aquatic ecosystems, and aids in the process of plant growth. The water cycle not only keeps all living things alive, but it's become an important tool for the modern human race. Climate change is altering patterns of weather and water around the world.

Explanation:

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At this time, communication ...........sea through wireless was new and the benefits not well appreciated so the wireless on ships ................. often not operated around the clock.O a. at, wasb. in, wasO c. at, isOd, in, is How do Matt's parents feel about himtaking karate lessons? about ____ of u.s. residents over the age of 12 years have tried lsd. hey u plz help me me need help show working for both questionsSuppose the Federal Reserve sets the reserve requirement at 12 percent, banks hold no excess reserves, and no additional currency is held. Instructions: In part a, round your answer to 2 decimal place Definition of initation test given the discussion in example 9.4.4, what is the maximum possible length of the repeating section of the decimal representation of 727 1,229 ? swift move facilities manufacturers two different bicycle models. the company produces a high volume of products using standardized production runs. the company does very little product customization. swift move uses which of the following types of technology structure? a. continuous process production b. mass production c. large-batch production d. small-batch production e. service production the substitution of features and items by a new home builder is regulated under the Ontario new home warranty program. Which of the following statements is NOT correct regarding substitutions made by a builder?The builder can substitute any items not specifically selected but included in the agreement of purchase and sale, by only with items of equal or better qualityif the builder cannot supply any items specifically selected and included in the agreement of purchase and sale, the buyer must be notified in writing and given the opportunity to make a new selectionthe builder must notify the provincial warranty provider within seven days of any substitutionsif the buyer does not make a new selection within seven days of substitution notice the builder has a right to substitute options of equal or better quality in what group and periods is most reactive metals What did darwin infer about the different sizes and shapes of finch beaks on the galapagos islands. Use the Integral Test to determine whether the series is convergent or divergent. n=1[infinity]n8en9 Evaluate the following integral. What speed is a car traveling if it goes 240 miles in 4 hours?40 miles per hour60 miles per hour30 miles per hour80 miles per hour Someone in the 15 percent tax bracket can earn 10 percent annually on his investments in a tax-exempt IRA account. What will be the value of a $16,000 investment in 5 years? 10 years? 20 years? You may use Appendix C to answer the questions. Do not round intermediate calculations. Round your answers to the nearest dollar. Six friends go to lunch and the total cost of lunch is $41.12. After using a $5 coupon to reduce the bill, the friends split the cost of lunch evenly. How much does each friend owe?A $6.20B $6.02C $6.85 What type of climate does Mississippi have? arid subtropical temperate tropical Highlight the (4) nouns in the following sentence:Jack and Teri played for hours at the park. When acquiring an education credential, which of the following must you have before you can get a doctorate degree? master's degree licensure registration associate's degree done The hemoglobin molecule is used as an oxygen carrier because A. The tissue requirements for oxygen are high compared to other gasses The solubility of oxygen in water is very low - Oxygen is unable to cross the respiratory membrane on its own D. None of the answers are correct E. Oxygen is unable to physically dissolve is plasma Which of the following GI tract is responsible for hormone secretion A. Liver B. Gallbladder Pancreas -D. Salivary gland E Stomach Which of the following vessels or set of vessels is the first entered by chylomicrons during the process of the absorption of lipids across the intestinal epithelium : A. The blood capillaries within the mucosal layer of the stomach The blood capillaries within the mucosal layer of the small intestine C. The blood capillaries within the mucosal layer of the large intestine D. The hepatic portal vein E. The lacteals of the lymphatic system The following statements refer to gas carriage by the blood : A. After leaving the lungs, each liter of blood contains about 20 ml of oxygen B. Hemoglobin is half saturated with oxygen when the PO2 is about 3.3kPa (40 mm Hg) when PCO2 is 5.3kPa (25 mm Hg) C. As the PCO2 rises, the affinity of hemoglobin for oxygen increased D. Each liter if arterial blood contains about 50 ml of carbon dioxide Most carbon dioxide that enters the blood is transported in the form of bicarbonate ions Which of the following is the correct order , largest to smallest : A. Myofibril > myofilament muscle fiber > muscle B. Muscle fiber > muscle > myofibril > myofilament c. Muscle fiber > muscle > myofiliament > myofibril Muscle > muscle fiber > myofibril > myofilament E Muscle > muscle fiber > myofilament > myofibril In a chemical synapse, the neurotransmitter is moved across the synaptic cleft by: A. Actin filaments B. G-proteins C. Synaptic vesicles D. Active transport Diffusion All of the following are true regarding the smooth muscle EXCEPT: A. Smooth muscle cells are relatively small compared with skeletal muscle B. Instead of sarcomeres it contains dense bodies, which are like Z-line C. Gap junctions electrically couple the smooth muscle cells D. Smooth muscle contains cavcolae instead of T-tubules Smooth muscle does not contain sarcoplasmic reticulum Calcium - A. Initiates contraction of striated muscle by binding to regulatory proteins on the thick filament B. Initiates contraction of smooth muscle by direct binding to the thin filament Binds to calmodulin to initiate contraction of striated muscle Binds to calmodulin to initiate contraction of smooth muscle F. None of the answers are correct 5. 6. 7. 8. 8 A The rate of diffusion of a substance across the cell membrane is inversely proportional to: 17. concentration gradient for the substance; diffusion coefficient surface are available for diffusion; b thickness of the membrane: E temperature. 18 Binding of G and complement to a microbe to facilitate recognition is: A chemokinesis: opsonization; 3 c phagolysosome fusion; D. signal transduction E diapedesis 19. Platelet adhesion to subendothelial collagen is impaired in the absence of; A. von Willebrand factor B. plasmin heparin D. antithrombin E fibrinogen 20. The main function of the colon is absorption of: A Na, C and H,0 B. triacylglycerols; Csecondary bile acids; D. iron; E none. 21 The cell type that migrates into inflammatory sites to clean up necrotic tissue and direct tissue remodeling is the A neutrophili B. macrophage; 13 C dendritic cell: D. eosinophit: E. basophil 22 The test that screens the extrinsic pathway is: A prothrombin time (PT); B. activated partial thromboplastin time (PTT): thrombin time; D. urea solubility test: E dot lysis time. 23. Hemostasis does not involve: A. platelet plug formation: B platelet binding to healthy endothelium; B C fibrin dot retraction D. vascular spasm: E platelet degranulation. 24. Bile acids are synthesized starting from: A cholesterol B. fatty acids; Clecithin: D. bile salts; E bile plements 5.3 Complete the sentences with the superlative form of theadverb in brackets.1 Who writes2 Sarah finished her homework3 Tom plays chess4 Joe speaks5 lan definitely tries.6 Who gets upwak_? (neatly)(fast)(badly)of all of us. (hard)in your family? (early). (loud)