Answers
Okay. So considering vision, we could mention that retina is an inner structure in our eyes that allows us to perceive light through the incidence in it of the photonic rays from light sources or from objects which reflect it.
This is possible since the retina has a set of photoreceptors cells called cones (there're three types of them: reds, greens, and blues cones) and rods. These two differ from each other in the fact that the first ones are more abundant, and have no color sensibility, and the second ones are less abundant but have the capability to perceive color.
In the retina, there're other kinds of cells, like the ganglion ones, or the bipolar ones, and what happens in this process is that the ganglion cells receive information from bipolar cells, which are continually sending actions potentials throughout their axons in the vision process.
Related Questions
PLEASE ANSWER FAST - A student attached two balloons to equal lengths of string and tied them to the same point. The student observed that the balloons repelled each other, as shown in the diagram below. In terms of electrical charges, explain why the balloons repelled each other
Answers
Answer:
The balloons repelled each other because they both are electrically charged.
electrically charged object produces electrostatic force . Two electrically charged object repels each other . So both balloons are charged
The balloons repelled from each other because they both are electrically charged and as we know electrically charged object produces electrostatic force, they repels each other .
what is electrostatic force ?The electrostatic force attraction or repulsion is defined as the force exists between two charged particles which is also known as Coulomb’s interaction or force, the atom's stability can be maintained by the electrostatic force between protons and electrons.
For example, a balloon is rubbed with human hairs and come close to another balloon, so they stick together, Lightning due to electrostatic force, ironing a silk , it clings to the body due to electrostatic force.
Coulomb’s Force can be applied to perform magic tricks, Photocopiers, Electrostatic air filters, Ink-jet and laser printers
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Which statement best explains heating by radiation?
A. Warm air rises and takes heat with it; eventually it cools and sinks.
B. Sunlight travels through space without the aid of fluids or solids.
C. Land and ocean absorb and re-emit heat from the sun.
Answers
Answer: B. Sunlight travels through space without the aid of fluids or solids.
Explanation:
Heating by radiation refers to the process by which energy is transferred from one place to another in the form of electromagnetic waves. In the case of the sun, the heat is transmitted to the Earth through space as radiation. This is possible because radiation does not require a medium to travel through and can propagate through a vacuum.
Why there were no clear zones for using LB media with 1% olive oil for screening lipilytic bacteria
Answers
The reason for the clear zone may be that there is Insufficient lipolytic activity.
Why the clear zone?The absence of clear zones when using LB media with 1% olive oil for screening lipolytic bacteria could be due to Insufficient lipolytic activity.
Enzymes called lipases, which are produced by lipolytic bacteria, break down fats and oils. It's possible that the bacteria utilized in the experiment won't create lipases or have poor lipolytic activity, which would prevent them from efficiently hydrolyzing the olive oil in the media. There wouldn't be any observable clearing or lipid hydrolysis zones as a result.
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5. Which of the following group of bacteria is considered as a link between bacteria and virus a) Mycoplasmas b) Spirochaetes c) Actinomycetes d) Vibrios
Answers
Mycoplasma is considered the link between bacteria and virus.
What is the difference between bacteria and virus?1) Bacteria are free living ,they can live outside without any host and virus is non living without host .
2) The genetic material of bacteria is DNA and the genetic material of virus can be DNA or RNA .
3) Bacteria can be infectious or friendly to human but virus only spread infection.
Mycoplasma is smallest bacteria , the cell wall is absent in them and they can survive without oxygen
Mycoplasama have a similar structure to bacteria but it requires host to multiply .They are gram negative . It is too small like virus but viruses are smaller than mycoplasma.
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The diffrence of a number and 4 thirds 11 thirds. What is the number?
Answers
For the word problem, If the difference of a number and the fraction \(\frac{4}{3}\) is \(\frac{11}{3}\), then the number is 5.
How do we solve for the number?The above mathematical problem is a word problem. Word problems are problems that are written in words, rather than in symbols.
To solve for the difference or mystery number, we say, Let x be the number.
The problem states that x - \(\frac{4}{3}\) = \(\frac{11}{3}\),
movin - \(\frac{4}{3}\) to the other side of the equation,
we get x = \(\frac{11}{3}\) + \(\frac{4}{3}\) = \(\frac{15}{3}\)
We solve the fraction by dividing 15 by 3
\(\frac{15}{3}\) = 5
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Which organism lives in a colony with many others of the same cell type?
Answers
Answer: The alga Volvox , or multicellular, as in the phylum Bryozoa. The former type may have been the first step toward multicellular organisms.
Explanation:
Professor Henry is preparing a traditional Thanksgiving meal and decides to make some turkey soup. He uses part of the leftover turkey and adds carrots, celery, and onions. He cools the soup in the refrigerator overnight, and the next morning he notices an undissolved layer a fat floating at the top of the soup. This top layer of fat is
a)hydrophilic substance b) monosaccharide c)polysaccharide d)hydrophobic substance e) disaccharide
Answers
Answer:
D) Hydrophobic Substance
Explanation: The answer is Hydrophobic Substance because any organic substance such as fat or oil are hydrophobic because they for the most part contain hydrocarbs, which form non-polar bonds.
Circulatory System
Label the following parts:
Heart
Vein
Artery
Capillary
10
Answers
The circulatory system, also known as the cardiovascular system.
What is the circulatory system?The heart is a muscular organ located in the chest. It acts as a pump, continuously contracting and relaxing to circulate blood throughout the body. The heart has four chambers: two atria (left and right) and two ventricles (left and right).
Veins transport deoxygenated blood back to the heart from the body tissues. Arteries carry oxygenated blood away from the heart to various organs and tissues. Capillaries the exchange of oxygen, nutrients, and waste products between the blood and surrounding tissues.
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Sometimes patients with Dementia experience the inability to complete tasks.
Simple tasks such as getting dressed, brushing teeth, and eating become
overwhelming. This inability to perform familiar tasks is?
Forgetfulness
Agnosia
Apraxia
Delusions
Answers
Apraxia is the inability to carry out routine duties as they are explained in the context.
A neurological illness known as apraxia is characterised by the loss or impairment of the capacity to carry out or execute skilled or deliberate motions, even though the affected person is physically capable of doing so.
Apraxia in dementia patients might show itself as trouble with once-routine and familiar daily tasks like dressing, grooming, or eating. In contrast to other cognitive symptoms of dementia such as forgetfulness, agnosia (loss of sensory perception), and delusions, which are not explicitly connected to the inability to perform tasks, apraxia is separate from these symptoms.
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The backbone vertebrae, skull, and rib cage make up the _______ skeleton. Among other types of cells, bone marrow produces _______ blood cells, which carry oxygen in the blood. _______ can eventually become osteocytes. If bones rapidly deconstruct faster than new bone tissue grows, this can lead to less dense and more fragile bones. When severe, this condition is called _______. _______ such as the MCL and ACL connect bone to other bone at joints.
Answers :
axial
red
Osteoblasts
osteoporosis
Ligaments
Osteoblasts are cells that build bone tissue, and are called osteocytes when they become surrounded by the bone that they have built. Osteoclasts are cells that break down bone tissue. The building and breaking down of bone tissue continues throughout a person’s lifetime and makes bones strong. If osteoclasts break down more bone than osteoblasts build, this can lead to osteopenia and osteoporosis, causing bones to be fragile and break more easily.
Answers
Answer:
1. axial
2. red
3. Osteoblasts
4. osteoporosis
5. Ligaments
Explanation:
The axial skeleton consists of the bones of the head and trunk of a vertebrate including skull, and rib cage.
Bone marrow produces red blood cells, which carry oxygen in the blood.
Osteoblasts can become osteocytes, which are the third type of bone cells.
Osteoporosis is a bone resorption disease in which bones rapidly deconstruct faster than new bone tissue grows, and decreases the mechanical strength of bones.
Ligaments connects one bone to other at joint such as medial collateral ligament (MCL) and anterior cruciate ligament (ACL) that joins knee.
Hence, the correct answer for the question is as follows:
1.axial
2. red
3. Osteoblasts
4. osteoporosis
5. Ligaments
Hope it helps
Answer:
axial
red
Osteoblasts
osteoporosis
Ligaments
Osteoblasts are cells that build bone tissue, and are called osteocytes when they become surrounded by the bone that they have built. Osteoclasts are cells that break down bone tissue. The building and breaking down of bone tissue continues throughout a person’s lifetime and makes bones strong. If osteoclasts break down more bone than osteoblasts build, this can lead to osteopenia and osteoporosis, causing bones to be fragile and break more easily.
Explanation:
How many times does cytokinesis occur in Meiosis?
Answers
Answer:
Two Times
Explanation:
In meiosis, cytokinesis must occur twice: once after telophase I and again, after telophase II.
What is the function of DNA polymerase?
O DNA polymerase joins individual nucleotides together to form the new complementary strands of DNA.
O DNA polymerase separates nucleotides on strands of during DNA replication
O DNA polymerase is an enzyme that works to transport DNA from the nucleus to the cytoplasm.
O DNA polymerase repairs one old single strand of DNA that came back together after replication.
Answers
Answer:
Smh. This is kinda late, but hope this helps.
Explanation:
The enzyme DNA polymerase catalyzes the formation of sugar phosphate units along the side of the "ladder". The sugar phosphate units connect one base pair/rung on the ladder to the next one.
Therefore our answer is :
A) DNA polymerase joins individual nucleotides together to form a new complementary strands of DNA. :)
The function of DNA polymerase joins individual nucleotides together to form the new complementary strands of DNA. The correct option is the first one.
What is the function of DNA polymerase?DNA polymerase is an enzyme responsible for catalyzing the synthesis of new DNA strands during DNA replication.
It adds individual nucleotides to the growing DNA strand, following the complementary base pairing rules (A with T, and C with G). This process ensures accurate copying of the genetic information from the template DNA strand to the newly synthesized strand. DNA polymerase plays a central role in DNA replication, which is the process by which cells make identical copies of their DNA during cell division.
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Conclusion:
Include the following as a summary paragraph in the conclusion of your lab report:
Analysis of the results of the experiment
I
Based on your data, describe the overall trend for each of the five
factors that were measured?
What information do your graphs show? Describe the correlation
between the two factors that you graphed
● Rationale for the support or rejection of the hypothesis
Questions:
Using what you have learned in the lesson and the virtual lab activity, answer the
following questions in complete sentences:
1. Identify the abiotic and biotic factors in this lab.
2. Describe the symbiotic relationship between each of the organisms.
3. Explain how the limiting factors affect carrying capacity in each population.
Answers
Answer:
Your conclusion will include a summary of the lab Describe the overall trend for each of the five factors that were measured
Explanation:
Residual parent material refers to the *weathered rock* and *soil* that remains in its place of origin, while *transported parent material* is material that has been carried and deposited by natural agents such as water, wind, or glaciers.
The impact of these different types of parent material on *soil formation* can be significant. Residual parent material tends to contribute to the formation of soils with characteristics similar to the parent rock. The weathering process breaks down the rock into smaller particles, allowing for the development of soil horizons and the release of minerals that influence soil fertility. In contrast, transported parent material can introduce a diverse range of materials to a given area, leading to variations in soil composition, texture, and fertility. The transportation process can mix different types of sediment, resulting in the formation of heterogeneous soils with varying properties.
Answers
Residual parent material is the rock and soil that is still located in its original location and is weathered. Transported parent material is material that is carried and deposited by natural agents such as water, wind, or glaciers. The effect of these different types of parent material on soil formation can be significant.
Residual parent material usually contributes to the development of soils with qualities similar to the parent rock. The breakdown of rock into smaller particles through weathering enables the formation of soil horizons and the release of minerals that influence soil fertility.
The physical and chemical characteristics of soils derived from this form of parent material are often similar and homogeneous, allowing for predictable fertility and properties. Transported parent material, on the other hand, can introduce a diverse range of materials to a given area, resulting in variations in soil composition, texture, and fertility.
The transportation process can blend different types of sediment, resulting in the formation of heterogeneous soils with different characteristics. Transported parent material can also be exposed to weathering processes, altering its original composition and resulting in soils with varying degrees of fertility.
While transported parent material can increase the diversity of soil properties in an area, it can also make it difficult to predict soil characteristics, particularly in areas where different types of sediment have been deposited. The relationship between parent material and soil development is complex, with both the initial characteristics of the material and the surrounding environment influencing soil properties.
In general, residual parent material contributes to the development of homogeneous soils with predictable properties, while transported parent material can result in more diverse and heterogeneous soils.
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How should Grant respond?
Answers
Which are vital signs?
O temperature, respiratory rate, and weight
O muscle mass, height, and weight
Oheart rate, temperature, and height
temperature, respiratory rate, and heart rate
Answers
The correct combination of vital signs is temperature, respiratory rate, and heart rate.
Vital signs are key measurements that provide important indicators of a person's physiological status and overall health. They help healthcare professionals assess and monitor a patient's condition. The vital signs typically include temperature, respiratory rate, heart rate, and blood pressure. Among the options provided, the correct combination of vital signs is temperature, respiratory rate, and heart rate.
Temperature is a measure of the body's internal heat. It can be measured orally, rectally, or with the help of infrared thermometers. Deviations from the normal range may indicate fever or hypothermia, which can be indicative of underlying health issues.
The respiratory rate refers to the number of breaths a person takes per minute. It provides insight into lung function and overall respiratory health. Abnormal respiratory rates may suggest respiratory distress or underlying pulmonary conditions.
Heart rate, also known as pulse rate, measures the number of times the heart beats per minute. It reflects cardiac activity and can be assessed by feeling the pulse at various points in the body. Deviations from the normal heart rate can indicate cardiovascular problems or other physiological abnormalities.
Weight, muscle mass, and height are not typically considered vital signs. They are important anthropometric measurements used for assessing overall body composition, growth, and nutritional status. While these measurements are relevant in healthcare, they are not classified as vital signs.
In summary, the vital signs include temperature, respiratory rate, and heart rate. Monitoring these parameters allows healthcare professionals to gain valuable insights into a patient's health status, identify potential issues, and make informed decisions regarding treatment and care.
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What is not true about parasite-host relationships? A. Both can be animals B. One can be a plant and the other an animal C. Both can be plants D. One must be an animals and the other one a plant
Answers
Answer:
one can be a plant and the other an animal
Scientists have found that atmospheric carbon dioxide levels have from 280 parts per million to over parts per million during the last years.
Answers
About 412 parts per million (ppm) of carbon dioxide are currently present in the Earth's atmosphere, and that number is increasing.
How can scientists know the history of carbon dioxide levels going back 800000 years?Scientists have discovered that atmospheric CO2 levels have never been as high as they are presently by digging for ice cores and examining the air bubbles that result. That means that CO2 levels have never been this high in the entire history of human civilization.
When did CO2 concentrations surpass 300 ppm?The last time the planet's atmosphere had 300 to 400 ppm of CO2 occurred during the mid-Pliocene, 3 million years ago. This is recent enough for scientists to believe that for the planet to be not radically different than it is today.
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Answer:
Scientists have found that atmospheric carbon dioxide levels have
increased
from 280 parts per million to over
200
parts per million during the last
150
years.
Explanation:
Select all that apply. People with high blood pressure should reduce their consumption of
fat.
protein.
sugar.
salt.
vegetables.
Answers
Salt is the answer to this
what is the purpose of the micro filament formation that makes the mitotic spindle
Answers
Answer:
The mitotic spindles formed during prophase are composed of microtubules and have a ropelike structure. The function of the mitotic spindle is to help to equally divide the chromosomes in the parent cell to ensure that equal, identical copies are found in both daughter cells after mitosis is complete.
Explanation:
what is the difference between cork formation and gum formation in the plants as an immune mechanism
Answers
Answer:
Cork formation is a type of secondary growth that occurs in the stems and roots of woody plants. Gum formation, on the other hand, is a type of defense mechanism that occurs in response to injury or infection.
Explanation:
among the many threats to water quality posed by human activities is the burning of fossil fuels, which releases co2 into the atmosphere. the resulting increase in atmospheric co2 has caused global warming and other climate change-related issues like ocean acidification. T/F
Answers
Among the many threats to water quality posed by human activities is the burning of fossil fuels, which releases co2 into the atmosphere. The given statement is True.
What do we mean by global warming?Global warming refers to the gradual warming of the Earth's surface that has occurred since the pre-industrial era (between 1850 and 1900) and is attributed to human activities, particularly the use of fossil fuels, which increases the levels of heat-trapping greenhouse gases in the atmosphere. This phrase should not be substituted for "climate change." Climate change includes global warming, which is the gradual rise in the temperature of the Earth. It is caused by an increase in greenhouse gas concentrations in the atmosphere, which is primarily caused by human activities such as farming and the use of fossil fuels.
The burning of additional fossil fuels and the emission of toxic fumes into the atmosphere are the primary causes of global warming.
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Albinism, caused by the non-production of tyrosinase, is an autosomal recessive condition, a woman of normal pigmentation, whose father was albino, marries an albino man. What is the probability that of 6 children procreated, the first is albino, the second is of normal pigmentation, and of the next 4, 2 are of normal pigmentation and 2 is albino?
Select one:
a. 37.5%
b. 25%
c. 50%
d. 9.5%
Answers
The probability that of 6 children procreated, the first is albino, the second is of normal pigmentation, and of the next 4, 2 are of normal pigmentation and 2 is albino is C. 50%.
How to calculate the probability?Probability simply means the likelihood that something will occur.
In this case, albinism, caused by the non-production of tyrosinase, is an autosomal recessive condition whereby a woman of normal pigment marries an albino man.
In this case, there are 3 albino and 3 normal pigmentation based on the information.
This will be:
= 3/6 × 100
= 50%
The probability is 50%.
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do not write gibberish answer alll questions properly and asap
describe three major structural or functional similarities between frogs and humans
Describe three major structural or functional differences between frogs and humans
for grade 10s
Answers
Answer: Three major structural or functional similarities between frogs and humans:
Skeletal Structure: Both frogs and humans have a skeletal system that provides support and protection for their bodies. While frogs have a more simplified skeletal structure compared to humans, both have bones that serve similar functions.
Nervous System: Frogs and humans have a complex nervous system that allows them to sense and respond to their environment. Both species have a brain and a spinal cord, which are crucial for coordinating various bodily functions and facilitating movement.
Digestive System: Frogs and humans have similar digestive systems. They both have a mouth, esophagus, stomach, and intestines, which are involved in the process of breaking down food and extracting nutrients. Additionally, both species have specialized organs such as the liver and pancreas that aid in digestion.
Three major structural or functional differences between frogs and humans:
Respiratory System: Frogs have a unique respiratory system that allows them to breathe through their skin. They can also respire through their lungs and the lining of their mouth. In contrast, humans rely solely on their lungs for respiration, exchanging oxygen and carbon dioxide through the alveoli.
Reproductive System: Frogs have external fertilization, meaning that the female lays eggs and the male fertilizes them externally. Humans, on the other hand, have internal fertilization, where the male's sperm fertilizes the female's egg inside her body. Additionally, frogs undergo metamorphosis, transforming from tadpoles to adults, while humans do not experience this drastic change.
Locomotion: Frogs are adapted for a life both on land and in water, with their specialized limbs and webbed feet that allow them to jump and swim efficiently. Humans, on the other hand, have a bipedal locomotion, relying on two legs for walking and running. Humans have a more upright posture and a different skeletal structure to support their mode of locomotion.
It's important to note that while frogs and humans share certain similarities and differences, these examples are not exhaustive and there are many more intricate details that differentiate the two species.
indicate structural adaptations of Mitochondria for its function
Answers
Mitochondria(Mt) are the cell's "power stations" because the energy currency for the metabolic processes in the cell is synthesised inside this organelle via aerobic respiration. This process is known as oxidative phosphorylation. Mt is a double membraned, semi-autonomous organelle.
The mitochondrion's structure is specially tailored to the function it performs:
The outer membrane contains carrier proteins that allow pyruvate produced during glycolysis to be transported from the cytoplasm.The electron transport chain(a series of protein complexes) and ATP synthase are located in the inner membrane to transfer electrons and ATP production respectively.The inner membrane is folded into numerous pockets called cristae, which raises the surface area: volume ratio.When proton accumulation occurs, the small intermembrane space between two membranes increases the hydrogen gradient.Matrix is the core chamber containing the necessary enzymes and pH for the Krebs cycle(oxidation of acetyl-CoA derived from pyruvate) to take place.To learn more, refer:
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Two reasons why the doctor wants to increase the number of eggs maturing in each ovary ?
Answers
This is why a doctor may want to increase the number of eggs maturing in each ovary in certain medical contexts:
In fertility treatments: In certain fertility treatments, such as in vitro fertilization (IVF), a doctor may want to increase the number of eggs maturing in each ovary to increase the chances of success. This can be done through the use of fertility drugs, which can stimulate the ovaries to produce multiple eggs in a single cycle. By harvesting multiple eggs, doctors can increase the number of viable embryos for implantation and increase the chances of pregnancy.
In cases of low ovarian reserve: As women age, the number and quality of eggs in their ovaries naturally decline, leading to a decrease in fertility. In cases where a woman has a low ovarian reserve, meaning she has fewer eggs than normal, a doctor may want to increase the number of eggs maturing in each ovary to improve her chances of conceiving. This can also be achieved through the use of fertility drugs, which can stimulate the ovaries to produce more eggs.
if the light intensity decreases then the dissolved oxygen level will decreases because
Answers
This list of characteristics describes organisms in the ________ kingdom.
Group of answer choices
protist
animal
fungi
plant
Answers
Answer:
plant
Explanation:
made a 100 good i m right
Using the following data, calculate the
population growth rate for Zambia:
CBR= 2.9%, Immigration = 1%,
CDR = 2.1%, Emigration = 1%
(Portions of the numeric data are factual.)
HINT: (CBR + Immigration) - (CDR + Emigration) = Population Growth Rate
A. 82%
C. -0.00802%
B. 0.8%
D. 8.025%
Answers
Population growth rate for Zambia is 0.8 % when CBR= 2.9%, Immigration = 1%,CDR = 2.1%, Emigration = 1% are as given above.
What is CBR?The crude birth rate is the number of live births per 1,000 of the population at the midyear census. long explanation The crude birth rate is the number of live births per 1,000 of the expected population at the midyear mark.
Given data;
CBR= 2.9%, Immigration = 1%,
CDR = 2.1%, Emigration = 1%
Now to find the Population Growth Rate use the given formula;
(CBR + Immigration) - (CDR + Emigration) = Population Growth Rate
Population Growth Rate= (CBR + Immigration) - (CDR + Emigration)
the current population of Zambia =18.92 million
now
CBR= 2.9% of 18.92 million=548680
CDR = 2.1% of 18.92 million=397320
Immigration = 1% of 18.92 million=189200
Emigration = 1% of 18.92 million=189200
now putting the values on eq.
Population Growth Rate= (CBR + Immigration) - (CDR + Emigration)
Population Growth Rate= (548680 +189200)-(397320 + 189200 )
Population Growth Rate=151360 *100/18.92 million
Population Growth Rate=0.8%
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Hydra is a multicellular animal why give reason
Answers
Explanation:
Hydra is a multicellular organism. They have a tubular body and have different sizes. They belong to Animalia kingdom and some species of hydras even indulge in relationships with unicellular algaes.