Answer:
Its B-Contaminated hope this helped in any way!!! have a nice day!!
Explanation:
Which part of the brain activates the stress response?.
Answer:
hypothalamus
Explanation:
When someone experiences a stressful event, the amygdala, an area of the brain that contributes to emotional processing, sends a distress signal to the hypothalamus.
Would any sound be heard when cuff pressure was 118 mm Hg?
Answer:
yes
Explanation:
the first sounds herd at cuff pressure is 10 to 12 mm Hg
differences between reproduction in mammals and amphibians.
Answer:
the answer is a little weird but hope this helps
Explanation:
While all of these animals reproduce sexually (meaning that the species consists of males and females and mating involves the fetilization of eggs by sperm), reptiles and mammals reproduce through internal fertilization (inside the female) whereas amphibians practice external fertilization.
Answer:
While all of these animals reproduce sexually (meaning that the species consists of males and females and mating involves the fetilization of eggs by sperm), reptiles and mammals reproduce through internal fertilization (inside the female) whereas amphibians practice external fertilization
Briefly explain emulsification
Explanation:
Emulsification is the process of breaking down the fat into smaller blood cells which makes it easy for enzymes to function and digest food. Fat emulsification helps digest fats into fatty acids and glycerol that are easily absorbed by the small intestine.
a student is staring directly at a bird outside the classroom window. the image of the bird will be detected by which lobe of the brain?
A student is fixedly looking out the window of the classroom at a bird. The fovea centralis, a tiny pit at the very center of the macula lobe that is bordered with densely packed,
The macula lobe lutea, a tiny, flat patch situated precisely in the middle of the posterior region of the retina, contains the fovea centralis. The heavily saturated with cone photoreceptors since it is responsible for bird high-acuity vision. The foveae of the retinae are responsible for the superior visual acuity that humans possess. We refer to a person's eyesight clarity as visual acuity. Your retina's fovea is therefore receiving the visual picture of the bird you are currently seeing.
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what does a Golgi apparatus located
Social
Economic or Type of Economy
Population Change
Transportation
Part 2 – Write a well-developed paragraph for each of the following prompts. Be sure to include social, political, and economic factors in your response and fully address all parts of each prompt.
Explain how the Second Industrial Revolution affected the North, South, West, and Midwest. Include changes in each regions’ politics, society, economy, population, or transportation.
Explain which region you would have liked to live in during this period and why. Include evidence from the lesson to support your response.
Answer: The Golgi apparatus is responsible for transporting, modifying, and packaging proteins and lipids into vesicles for delivery to targeted destinations. It is located in the cytoplasm next to the endoplasmic reticulum and near the cell nucleus. While many types of cells contain only one or several Golgi apparatus, plant cells can contain hundreds.
Explanation:
brainleast pls
Please help me with this question it is difficult for me!! Explain, with examples, the impact of the continual re-use of materials in nature. NB: the role of decomposers in the Carbon cycle, Nitrogen cycle- nutrient cycling and the Water cycle.
Answer:
Explanation:
I am confused what the question is..?
2 Points
What is the purpose of the Bill of Rights?
O A. To persuade Great Britain to change its policies
O B. To inform the public about the king of England's crimes
O C. To explain the rights of citizens of the United States
O D. To ask people to become citizens of the United States
SUBM
since glucose, a hexose, is the major source of energy for most prokaryotes, why would they need to have pentose sugars available?
Prokaryotes need pentose sugars available for the growth and survival.
How pentose sugars are necessary for the survival of Prokaryotes?
Pentose sugars, such as ribose and deoxyribose, are essential components of nucleic acids and are thus crucial for the growth and survival of most prokaryotes. It is a type of simple monosaccharide that contain five carbon atoms. They are essential components of nucleic acids, which are the building blocks of life. Although glucose is the major source of energy for prokaryotes, pentose sugars provide them with an additional source of energy that can be used to synthesize nucleic acids and other cellular components. Furthermore, pentose sugars can also be used to produce glycoproteins which play a key role in cell signaling and communication. Therefore, it is necessary for prokaryotes to have access to pentose sugars in order to survive and thrive.
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What would happen to a plant cell if it placed in water?
Answer: It really depends on if the water solution is hypotonic, hypertonic, or isotonic. If it is hypotonic (water with less salt or other dissolvent in it than the cell), you can expect the cell to take in water and expand. If the water is isotonic (about the same amount of dissolvent in it as the cell) just about nothing will happen, or if the water is hypertonic (more dissolvent in the water than the cell) the water can seep out of the cell, and into the water.
during photosynthesis where is water split and oxygen released
Answer:
Stroma
Explanation:
Stroma Function. Most of the enzymes essential in the process of photosynthesis are normally embedded in the stroma and in the thylakoid membranes. The stroma is the fluid-filled space that is surrounding the grana, and is also involved in the synthesis of organic molecules from water and carbon dioxide.
Explain the consequences of an increase of two degrees Fahrenheit.
Answer:I think it was The Heat waves can be dangerous, causing illnesses such as heat cramps and heat stroke, or even death. Warmer temperatures can also lead to a chain reaction of other changes around the world. That's because increasing air temperature also affects the oceans, weather patterns, snow and ice, and plants and animals
Explanation:
hope this helps have a nice night ❤️❤️❤️
conservation biologists in other areas of the world think that knowing more about what wildlife eat will help them make better decisions to protect threatened and endangered species. explain two ways conservationists could use dna metabarcoding data to help make these decisions.
Conservation biologists can use DNA metabarcoding data in two primary ways to make better decisions for protecting threatened and endangered species: 1) identifying the species' diet and 2) monitoring the biodiversity of the species' habitat.
1) Identifying the species' diet: DNA metabarcoding allows scientists to analyze the genetic material present in fecal samples, which in turn can reveal the different types of food items the studied species consume. By understanding the diet of a threatened or endangered species, conservationists can take appropriate measures to protect and manage their food resources, ensuring that these species have a stable food supply.
2) Monitoring biodiversity in the habitat: DNA metabarcoding can be used to assess the biodiversity of an ecosystem by identifying the different species present in a specific area. By analyzing the genetic material collected from environmental samples (e.g., soil, water), conservationists can determine the overall health of the ecosystem.
This information is crucial for making informed decisions about habitat protection and restoration efforts to maintain or improve the quality of the environment for threatened and endangered species.
DNA metabarcoding data plays a significant role in conservation biology by helping scientists understand the diet of threatened and endangered species and monitor the biodiversity of their habitats. This information is essential for making informed decisions to protect and conserve these species and their ecosystems.
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what is the amazing contouring of earth’s continents?
A contour is an imaginary line that connects points of equal value. The earth continent is amazing.
How many continent is present in the earth?Continent is one of Earth's seven main divisions of land. The continents are, from largest to smallest: Asia, Africa, North America, South America, Antarctica, Europe, and Australia.
The part of the continental interior enclosed by the 40-km contour and regions with crustal thickness of 45 to 50 km are found on all well-surveyed continents. Continental crust with thickness in excess of 50 km is exceedingly rare and accounts for less than 10% of surveyed continental crust.
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CON
In this experiment, you will use a track and a toy car to
explore the concept of movement. You will measure the
time it takes the car to travel certain distances, and then
complete some calculations. In the space below, write a
scientific question that you will answer by doing this
experiment.
) Intro
Done
mous Activity
Answer:
How can we change the speed of a toy car on a racetrack to describe the car’s motion
Explanation:
The nurse is planning discharge teaching for a client newly diagnosed with chronic kidney disease (ckd). which factor will enhance the educational process?
The factor hich will enhance the educational process by a nurse planning discharge teaching for a client newly diagnosed with chronic kidney disease (ckd) is to teach the patients with kidney disease to engage in activities that will improve their overall health.
What is healthcare?Healthcare can simply be defined as an organized medical care given to a person, organization or even a community either by a doctor, nurse or any other licensed healthcare professional
However, healthcare-associated Infections, are those infections patients can get during their treatment for another condition due to bacteria, viruses, fungi, and other pathogens.
And for a good reason, the fundamental purpose of healthcare is to enhance healthy living and quality of life by giving quality healthcare services.
So therefore, the factor hich will enhance the educational process by a nurse planning discharge teaching for a client newly diagnosed with chronic kidney disease (ckd) is to teach the patients with kidney disease to engage in activities that will improve their overall health.
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The element lithium has two common isotopes: Li–6 and Li–7 If the average atomic mass of lithium is 6.94004 u, determine its percent isotopic abundances. Step by step and explain.
First we need to determine the average atomic mass of these isotopes.
The atomic masses of Lithium-6 and Lithium-7 are 6.0151amu and 7.0160amu respectively.
Now that we have that, we need to set up the relative abundance problem.
We can do that using the formula (M1)(x) + (M2)(1-x) = M(E)
Because you asked for details, I'll explain what each variable stands for-
M1 = the mass of one isotope
x = the relative abundance
M2 = the mass of the second isotope
M(E) = the atomic mass of the element from the periodic table
Therefor all we do now is plug in our respective variable.
M1 = 6.0151amu (Lithium-6)
x = unknown relative abundance
M2 = 7.0160amu (Lithium-7)
M(E) = 6.94004amu
Now the formula plugged in will look like this:
6.0151x + 7.0160(1-x) = 6.94004
Now doing some quick math, we can determine that x=0.07589
For the last step we need to find the percent abundance of each element, which is quite simple. We take X and multiply it by 100 to find Lithium-6, so 0.076 x 100 = 7.6%
and since then we use 1 - X, so 1 - 0.076 = 0.924
We take that and also multiply it by 100, so 0.924 x 100 = 92.4%
Conclusion:
The abundance of the Lithium-6 isotope is 7.6%, and the abundance of the Lithium-7 isotope is 92.4%.
Please ask if you have any questions and I hope this was helpful!
If there is a 1-degree change, coral reefs will become______?
Answer:
warmer
Explanation:
question which example describes an abiotic factor interacting with a biotic factor? responses tropical fish need warm water to survive. tropical fish need warm water to survive. small fish are food for larger fish. small fish are food for larger fish. high water temperatures decrease oxygen concentration in the water. high water temperatures decrease oxygen concentration in the water. more light increases the water temperature.
Higher water temperatures decrease the oxygen concentration in the water This example describes an abiotic factor interacting with an abiotic factor. Here option C is the correct answer.
In example C, a physical abiotic factor (water temperature) interacts with an abiotic factor (oxygen concentration) in the aquatic environment.
High water temperatures can decrease the solubility of oxygen in water, leading to a lower concentration of dissolved oxygen. This can have negative effects on aquatic organisms that rely on oxygen to survive. This interaction between abiotic and biotic factors is a common example of how the two can influence each other in ecosystems.
Complete question:
Which example describes an abiotic factor interacting with a biotic factor?
A - tropical fish need warm water to survive.
B - small fish are food for larger fish.
C - high water temperatures decrease oxygen concentration in the water.
D - more light increases the water temperature.
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Which of the following are examples of plant tissue?
• epithelial
• connective
• ground
• vascular
PLEASE HELPP it’s a testtt!!
Which organism is classified as an invertebrate?
a) newt
b) snake
c) octopus
d) flamingo
Answer:
Octopus
Explanation:
Octopus is an invertebrate because it does not have a backbone.
Answer:
An octopus is classified as an invertebrate
Lisa is working on a science project. her task is to answer the question: "does rogooti (which is a commercial hair product) affect the speed of hair growth". her family is willing to volunteer for the experiment.
describe how lisa would perform this experiment. identify the control group, and the independent and dependent variables in your description.
To perform the experiment to investigate whether Rogooti affects the speed of hair growth, Lisa can follow the following steps, while identifying the control group and the variables.
1. Preparing the Experimental Design:
a. Lisa would need to select a group of participants from her family who are willing to take part in the experiment.
b. Divide the participants into two groups: the experimental group and the control group.
2. Control Group:
a. The control group will serve as a baseline for comparison. They will not use Rogooti or any other hair product during the experiment.
b. Lisa should ensure that the control group participants follow their regular hair care routine without any additional products.
3. Experimental Group:
a. The experimental group participants will use Rogooti as instructed by the product's guidelines.
b. Lisa should ensure that the experimental group participants use Rogooti consistently and according to the recommended usage instructions.
4. Independent Variable:
The independent variable in this experiment is the use of Rogooti. It is the factor that Lisa manipulates and controls, as she exposes the experimental group to the hair product while keeping the control group free from it.
5. Dependent Variable:
The dependent variable in this experiment is the speed of hair growth. Lisa will measure and compare the hair growth rates between the control group and the experimental group to determine if Rogooti has any effect.
6. Data Collection:
a. Lisa needs to establish a timeframe for the experiment. For example, she may decide to measure hair growth over a period of three months.
b. Regularly record and measure the length of hair for both the control group and the experimental group participants at predetermined intervals (e.g., every two weeks).
c. Ensure consistent and accurate measurements are taken using a ruler or any other appropriate measuring tool.
d. Keep a detailed record of all the measurements obtained throughout the experiment.
7. Data Analysis:
a. After the predetermined timeframe, Lisa will compare the hair growth rates between the control group and the experimental group.
b. Analyze the data collected to determine if there are any noticeable differences in hair growth speed between the two groups.
c. Lisa should use appropriate statistical analysis methods, such as t-tests or ANOVA, to determine if any observed differences are statistically significant.
By following this experimental design, Lisa can evaluate the effect of Rogooti on the speed of hair growth.
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A plant has to produce carbohydrates because (1 point)
carbohydrates are needed to move ATP from cell to cell
carbohydrates are needed for building material
carbohydrates store the genetic material within the cells
carbohydrates store energy for a long time
Answer: carbohydrates store energy for a long time D.
Active Transport:
Active transport moves substances from a more dilute solution to a more concentrated solution (against a concentration gradient). This requires energy from respiration.
Examples of active transport are:
• Mineral ions absorbed into plant root hairs from very dilute solutions in the soil. Plants require ions for healthy growth.
• Sugar molecules absorbed from lower concentrations in the gut into the blood, which has a higher sugar concentration. Sugar molecules are used for cell respiration.
You should be able to describe how substances are transported into and out of cells by diffusion, osmosis and active transport, and explain the differences between the three processes.
Sugar can be absorbed by active transport in the intestine. Give two uses for the sugar.
a. The movement of substances into and out of the cell by diffusion occurs when dissolved solutes from a region of higher of concentration to a region of lower concentration.
b. The transport of substances into and out of the cell also occur through osmosis when substances moves from a region of lower concentration to a region of higher concentration.
c. Substances are also transported from one part of the cell to another through active transport which works on the principle of concentration gradient.
d. Sugars are used in
Adding sweetness to colouring agentsFermentation of substrates of substances.How active transport differ from diffusion.Active transport moves substances in and out of the cell based on concentration gradient while diffusion works on the basis of selectively permeable membrane.
So therefore, we can confirm that when dissolved solutes such as minerals or sugars are being transported through a selectively permeable membrane, diffusion is said to have taken place.
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Make inferences and predictions about the science methode
label the structures involved in muscle spindle function.
The structures involved in muscle spindle function include intrafusal muscle fibers, sensory neurons, and motor neurons.
The main structures involved in muscle spindle function are:
1. Intrafusal muscle fibers: These are specialized muscle fibers within the muscle spindle that respond to stretch and changes in muscle length.
2. Extrafusal muscle fibers: These are the regular muscle fibers found outside the muscle spindle, responsible for generating force and movement.
3. Capsule: This is the connective tissue that encloses the muscle spindle and its intrafusal muscle fibers.
4. Sensory nerve endings: There are two types of sensory nerve endings involved in muscle spindle function: primary (Ia) sensory endings and secondary (II) sensory endings. Primary endings are responsible for detecting the rate of change in muscle length, while secondary endings detect the static length of the muscle.
5. Gamma motor neurons: These neurons innervate the intrafusal muscle fibers, regulating their sensitivity to stretch and maintaining muscle spindle function during muscle contraction.
To summarize, the structures involved in muscle spindle function include intrafusal muscle fibers, extrafusal muscle fibers, the capsule, sensory nerve endings (primary and secondary), and gamma motor neurons.
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a bomb calorimeter can provide a close approximation for the amount of energy that will be produced by the body through the process of metabolism. State True or False your answer:
a. True
b. False
The quantity of energy that the body will create during the course of metabolism may be roughly estimated using a bomb calorimeter. It is accurate to say this.
Is a fast metabolism healthy?A high metabolism provides advantages since it causes a person to burn calories more quickly than someone with a thyroid imbalance. However, a quick metabolism might make it difficult to put on weight or keep up a balanced diet.
Why does the metabolism move slowly?A slow metabolism is caused by a variety of factors, including decreased activity, muscle loss, and internal organ aging. Fortunately, there are several strategies available to prevent aging from affecting your metabolism.
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which of the following is not a typical practice in growing rice in asia? a a. harvesting with a plow drawn by animals b b. flooding the plowed land with rain water c c. flattening hill land through terracing d d. transplanting seedling grown in a nursery e e. multiple-cropping
The practice that is not typical in growing rice in Asia is A: "harvesting with a plow drawn by animals."
Most rice farmers in Asia use manual labor or machinery for harvesting and do not use plows drawn by animals. This is because the use of animal-drawn plows has become less common in modern times due to the availability of more efficient and effective harvesting methods such as combine harvesters. The other practices listed, such as flooding the plowed land with rain water, flattening hill land through terracing, transplanting seedlings grown in a nursery, and multiple-cropping, are common practices used in rice cultivation in Asia.
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describe the abiotic factors that can limit the growth of a population
Abiotic factors: These are the non-living factors whose imbalance will limit the population's growth, such as water scarcity, air pollution, changing the temperature to adverse levels, harsh climate, and limited space.
ow would early cells benefit from DNA replacing RNA as the information storage mole RNA would have more flexibility in its catalytic functions. DNA mutates more easily. Information would be stored in a more stable molecule. RNA would serve a role only as mRNA.
Early cells would benefit from DNA replacing RNA as the information storage molecule because information would be stored in a more stable molecule.
DNA is more stable than RNA because it is double-stranded, whereas RNA is single-stranded. This means that DNA is less prone to mutations and can store information for longer periods of time. Additionally, RNA would be able to serve a more specific role as mRNA, which is responsible for carrying the genetic information from DNA to the ribosomes for protein synthesis.
This would allow for more flexibility in the catalytic functions of RNA. Overall, the replacement of RNA with DNA as the information storage molecule would allow for more efficient and accurate storage and use of genetic information in early cells.
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