Parvocellular cells is? A) primarily receive their input from rods. B) are sensitive to light but not color. C) primarily receive their input from cones. D) receive their input from rods and cones.
Answers
Parvocellular cells is primarily receive their input from cones. The option c is correct.
Parvocellular cells are a type of neurons found in the retina of the eye. These cells are responsible for processing color vision and fine details of an image.
They receive their input primarily from the cones, which are the photoreceptor cells responsible for color vision.
Conversely, the other type of retinal neurons, known as the magnocellular cells, primarily receive their input from the rods, which are the photoreceptor cells responsible for detecting light and dark, and motion detection.
This differentiation in input allows the two types of cells to process different aspects of visual information and work together to create a complete visual experience.
Parvocellular cells are also responsible for sending signals to the brain's visual cortex, where the information is further processed and interpreted.
In addition, dysfunction of these cells has been linked to various visual disorders, such as color blindness and macular degeneration.
In summary, parvocellular cells are a type of retinal neurons that receive their input primarily from cones and are responsible for processing color vision and fine details of an image.
Their function is crucial to our ability to see and interpret the world around us.
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Related Questions
help me out with bio
Answers
Answer:
310
third and last option
Explanation:
Well i subtracted 450 by 140 and got 310
Then those ones make the most sense so
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.If your observations had not been restricted to the area of the root tip that is actively dividing, how would your results have been different?
Answers
If my observations had not been restricted to the area of the root tip that is actively dividing, my results would have been different this is because the actively dividing area of the root tip contains the highest concentration of cells undergoing mitosis, which is what I was observing.
If I had looked at other areas of the root, such as those that had already undergone mitosis or were not currently dividing, I would not have seen as many cells in the process of dividing, this would have affected the accuracy of my results and potentially skewed my data. Furthermore, different areas of the root may have different rates of cell division or may be at different stages of the cell cycle. For example, cells in the meristem region at the tip of the root are actively dividing, but as they move further away from the tip, they may differentiate and no longer divide.
Additionally, cells may be at different stages of mitosis depending on their position in the root. Therefore, observing areas outside of the actively dividing region may have provided additional insights into the growth and development of the root, but would not have been directly related to the specific process of cell division that I was studying.
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How do scientists use recombinant DNA biotechnology to alter a cell's protein production?
They create duplicates of the cell's genome within its nucleus.
They insert a gene from another organism into the cell's genome.
They remove genes for certain proteins from the cell's genome.
They introduce other proteins into the cell to teach it.
Answers
Scientists use recombinant DNA biotechnology to alter a cell's protein production by inserting a gene from another organism into the cell's genome. Hence, option B is correct.
What is recombinant DNA?Recombinant DNA technology entails changing genetic material outside of an organism to produce living things or products with improved and desired traits. With the help of the right vector, this approach includes inserting DNA fragments from various sources with desired gene sequences.
Recombinant DNA is used in the production of various antibiotics, vaccines, transgenic plants, and transgenic animals.
With the help of the right vector, this approach includes inserting DNA fragments from various sources with desired gene sequences. Thus, option B is correct.
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Trees with light brown bark dominate an ecosystem. The ecosystem has populations of insects that thrive on the tree bark. Over time, some insect species developed certain physical characteristics that helped them thrive on the tree bark. These physical characteristics also helped the insects defend themselves from predators. Which insect species is probably the species with the new physical characteristics?
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I'm assuming this is referring to the Peppered Moth, a species of moth that adapted to the change of color on tree bark. The tree bark changed color as a result of local pollution. The moths (over the course of generations) changed color as well that better suited camouflage upon the new color of the tree bark.
Answer:
WELL, good thing I had this question and out of the four bugs I think it's the black bug with the pincers (stag beetle I think)
Explanation:
Which one of the following is not among the six internationally accepted classes of enzymes?
A) Hydrolases
B) Ligases
C) Oxidoreductases
D) Polymerases
E) Transferases
Answers
Among the options provided, D) Polymerases is not among the six internationally accepted classes of enzymes.
The six main classes of enzymes are classified based on the type of reaction they catalyze, and they include:
A) Hydrolases - catalyze hydrolysis reactions.
B) Ligases - catalyze the joining of molecules using ATP.
C) Oxidoreductases - catalyze oxidation-reduction reactions.
E) Transferases - catalyze the transfer of functional groups between molecules.
Polymerases, on the other hand, are a specific type of enzyme that belongs to the broader class of Transferases. They are responsible for catalyzing the polymerization of nucleotides to form nucleic acids, such as DNA and RNA. Therefore, Polymerases are a subset of Transferases rather than a separate class on their own.
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A biologist suspects that a plant species has two codominant alleles for flower petal color, one for red
(R) and one for white (W). The biologist crosses one plant with red flower petals with one plants with
white flower petals..
Part A: complete the following punnet square to show the outcomes of this cross. Give the genotype and phenotypic ratios that will result if the biologist is correct.
Part B: give the phenotypic and genotype ratios that will result if the two alleles instead show incomplete dominance.
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Part A: The punnet square would result in a 1:1 genotype and phenotypic ratio of RW and RW. Part B: If there is incomplete dominance, the phenotypic ratio would be 1:2:1 for red, pink, and white flowers, and the genotype ratio would be 1:2:1 for RR, RW, and WW.
Part A: The punnet square for the cross between a red-flowered plant and a white-flowered plant would result in offspring with the genotype RW, which would produce red and white flowers that are codominant. The genotype ratio would be 1:1, and the phenotypic ratio would also be 1:1, with half the offspring having red flowers and the other half having white flowers.
Part B: If the two alleles show incomplete dominance, the resulting offspring would have a phenotypic ratio of 1:2:1 for red, pink, and white flowers. The genotype ratio would also be 1:2:1, with one-quarter of the offspring having the genotype RR, one-half having the genotype RW, and one-quarter having the genotype WW. The pink flowers would result from the blending of the red and white alleles, which would not be fully dominant or recessive.
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the deltoid muscle attaches to the humerus at the deltoid
Answers
The deltoid muscle attaches to the humerus at the deltoid tuberosity. The deltoid muscle is a large, triangular muscle that covers the shoulder joint and forms the rounded contour of the shoulder.
It is responsible for lifting the arm away from the body, as well as rotating the arm inward and outward. The deltoid tuberosity is a rough, V-shaped bump on the lateral surface of the humerus. It serves as the attachment point for the deltoid muscle, which originates from the acromion and spine of the scapula as well as the clavicle.
The deltoid tuberosity is a part of the humerus and it's a roughened triangular area, located on the middle of the lateral aspect of the humerus bone.
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Mutations to proteins typically occur starting ___ and why?
a. at the protein itself
b. with mRNA
c. with tRNA
d. with DNA
Answers
Mutations to proteins typically occur starting with DNA because DNA is the genetic material that codes for all proteins in the body.
What is genetic?Genetics is the scientific study of heredity and the variation of inherited characteristics. It is the study of genes, and genetic variation in living organisms. It is a field of biology that studies how traits are passed down from parents to offspring through genes. It looks at the function, structure, and behavior of genes and how they influence the traits of an organism. Genetics also studies the patterns of inheritance, which is how traits are passed from one generation to the next. It is a rapidly advancing field, with new technologies and techniques being developed all the time.
Mutations in the DNA sequence can change the amino acid sequence of a protein, resulting in a different protein with altered properties.
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Fill in the blanks with abiotic factors that would affect an aquatic environment.
Temperature, light intensity, oxygen levels, t______, water salinity, movement, and chemistry.
I only need one more.
Answers
Hello :)
Answer:
I think the answer is tides.
Explanation:
Abiotic factors that influence aquatic biomes include light availability, depth, stratification, temperature, currents, and tides.
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An analysis of a sample of urine, shows the presence of blood cells and glucose. Account for the presence of these substances in urine.
Answers
Answer:
It could mean that your kindneys arent filtering your blood properly
9. Which is not associated with areas of karst topography? A caverns B sinkholes C flowing rivers D sinking streams
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Answer:
It's A ) Caverns
Explanation:
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What does this mean about the relationship between an
allele’s frequency and its likelihood of being dominant?
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Population genetics is the field of biology that studies allele frequencies in populations and how they change over time if this doesn’t (I hope this is right if It don’t know what will)
In what stage of meiosis is crossing over most likely to occur?
Prophase I
Anaphase II
Metaphase I
Prophase II
Answers
Answer:
Prophase I
Explanation:
When chromatids "cross over," homologous chromosomes trade pieces of genetic material, resulting in novel combinations of alleles, though the same genes are still present. Crossing over occurs during prophase I of meiosis before tetrads are aligned along the equator in metaphase I.
By meiosis II, only sister chromatids remain and homologous chromosomes have been moved to separate cells. Recall that the point of crossing over is to increase genetic diversity. If crossing over did not occur until sometime during meiosis II, sister chromatids, which are identical, would be exchanging alleles. Since these chromatids are identical, this swap of material would not actually change the alleles of the chromatids.
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Describe the cell structure of a typical animal cell. Give the functions of each part of the cell structure.
Answers
A typical animal cell consists of cell membrane, a well developed nucleus, and cell organelles.
What is a cell?A cell is a basic fundamental structural and functional unit of the body.
A typical animal cell consists of:
Cell membrane: it is required to protect the cell from incoming foreign substances and also prevent the unwanted movement of materials from inside to outside of the cell.Cytoplasm: it is the fluid part of the cell that contain several cell organelles like endoplasmic reticulum, Golgi bodies, ribosome, lysosomes, etc.Nucleus: it is the brain of the cell that controls each and every activity of the cell. It contains genetic material in the form of chromatin material.Thus, this is a typical animal cell structure.
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Remnant of a supernova event; Similar to a large atomic nucleus
PLS HELP do tomorrow
A. White Dwarf
B. Neutron Star
Answers
A neutron star results from the transformation of a supernova, and is basically composed of neutrons. B) Neutron Star is a remnant of a supernova event.
What is a neutron star?Giant stars follow different stages along their cycles.
Their stages are as follows,
Nebula, Protostar,Main sequence (yellow supergiant, red supergiant)SupernovaNeutron star
When red supergiants run out of fuel and can not grow anymore, they collapse. After the explosion, a supernova originates.
Neutron stars are the stellar remnant that remains after the supernova goes through different changes. These are small stars, but bigger than the sun characterized for having an unknown density of neutrons. They are the densest and brightest objects known in the universe.
Neutron Star are remnant of a supernova event; Similar to a large atomic nucleus. Option B).
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Explain the flow of blood from a leg muscle to the heart and lungs and back to the muscle again listing each organ the blood travels through and what happens at eavh place
Answers
Deoxygenated blood from the leg muscle returns to the heart, moves to the lungs to be oxygenated, goes back to the heart, and flows through the body again.
The circulatory system is a complex system in the body whose function is to keep the flow of oxygenated blood throughout the body.
This system is composed of multiple steps that create a cycle and usually involve the following organs:
The heart.The lungs.Blood vessels.VeinsArteriesHere are the steps if we start with deoxygenated blood in the muscles.
The deoxygenated blood returns to the heart through the veins. This blood has no oxygen because this has been used.An important vein known as the vena cava pumps the blood into the right atrium of the heart.The blood then floods into the right ventricle.Later, as the heart beats the blood moves from the heart to the pulmonary artery.In the lungs, the blood is oxygenated and then it returns to the heart.The blood goes to the left atrium and moves to the left ventricle.The blood is pumped from the heart to the rest of the body including muscles.Learn more about blood in: https://brainly.com/question/11568067
You are viewing an organ of the respiratory system and note the following tissues: folded mucosal layer containing simple cuboidal epithelium and smooth muscle, shifting into simple squamous epithelia. Identify the organ.
Answers
Answer:
Respiratory bronchiole
Explanation:
The respiratory bronchioles represent the narrowest airways within the lung, being continuations of terminal bronchioles that have approx. 0.5 mm in size. The epithelium of the respiratory bronchiole is composed of cuboidal ciliated cells and a small number of non-ciliated (secretory) Clara cells. The respiratory bronchioles lead into alveolar ducts composed of smooth muscle and connective tissue (i.e., elastin and collagen), connecting the respiratory bronchioles to the alveolar sacs.
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What is the advantage of seasonal migration in butterflies and birds?
Answers
Answer:
weather, which is why they migrate during certain times of the year.
Explanation:
The algae, insect larvae, protozoans, and other living things in a large puddle would be an example of
a(n) _________.
Answers
Answer:
The algae, insect larvae, protozoans, and other living things in a large puddle would be an example of
a(n) community.
the american whopping crane and the california condor are tow of north america's largest birds. although both are rare and endangered, they are protected, and large preserves are available for them. the two species, however, seem to be responding differently to these conservation efforts.
Answers
The American whopping crane and the California condor are two of North America's largest birds. Although both are rare and endangered, they are protected, and large preserves are available for them. The two species, however, seem to be responding differently to these conservation efforts.
The American whopping crane and the California condor are two endangered bird species in North America that are being preserved in large reserves. These two bird species, despite being similar in size, appear to respond differently to conservation measures.
American whooping cranes appear to have a higher reproductive rate than California condors. In fact, the whopping crane's population has grown from a low of 15 in 1941 to about 300 in the wild today. This growth is due to the fact that the birds are easy to breed in captivity.
Since the birds mate for life, breeding pairs can be transferred from one location to another to maintain genetic diversity. Furthermore, eggs that fail to hatch can be removed and artificially incubated. Also, whooping cranes are provided with suitable habitat and care conditions to maintain their existence.
On the other hand, the California condor has had a more difficult time recovering. The California condor population decreased to 22 individuals in 1982, from which a captive breeding program was started. Since then, the condor population has grown to over 400 individuals, but the birds are still critically endangered.
Despite conservation efforts, the birds' low reproductive rate and habitat destruction are among the factors contributing to their endangered status. Furthermore, the condors' dependence on human intervention to avoid extinction complicates conservation efforts.
In conclusion, the American whopping crane and the California condor are two North American endangered bird species that differ in their response to conservation efforts.
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is it true About three percent of all freshwater on Earth is in glaciers, lakes, rivers, and groundwater.
Answers
Answer:
True
Explanation:
Yes it is true because if you see a circle graph of all the water in the world, 97% of it is salt water in the oceans and the other 3% is freshwater which is located in glaciers, groundwater, lakes and rivers.
How does human interactions affect the Greenhouse Effect?
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voluntary muscles that work in pairs and move bones?
Answers
Answer:
Muscular systems
The muscular system supports our bones and movement so we can get around the world, and do nice things like hand gestures, or poses, anything, really.
The quadriceps are also muscles that work in pairs.
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A scientist is studying fossils in layers of rock and observes that whole groups of fossils disappear from the fossil record above a certain age. Which conclusion is most likely true based on this observation?
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Answer:
The most likely conclusion based on this observation is that the whole groups of organisms went extinct after the specified age, and therefore are not found in younger rock layers. This can provide insight into the timing and causes of past extinction events.
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What positions do the sun, moon, and earth have to be in for the moon to be in the “new moon” phase?
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Answer:
When the Moon is between the Earth and the Sun, the bright side of the Moon is facing away from the Earth, and we have a New Moon (position A in the diagram below). The New Moon rises at sunrise, transits the meridian at noon and sets at sunset. The New Moon phase repeats every 29.531 days – one synodic month.
which information can be determined using half lives
Answers
Answer:
heart and lungs use the half of our lives
Explanation:
yan
What is homeostasis?
Answers
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Terangkan mengapa bilangan komosom berbeza pada sel anak antara mitosis dan meiosis.(1 markah)
Answers
(hopefully this is what you need, I am using a translator)
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(Saya harap ini yang anda perlukan. Saya menggunakan penterjemah.)
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In mitosis, chromosomes separate only once. They line up end to end. This results in two identical, diploid cells. chromosomes failing to separate during meiosis, such as Patau syndrome, to the effects of chromosomes failing to separate during mitosis.
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Dalam mitosis, kromosom terpisah hanya sekali. Mereka berbaris dari hujung ke hujung. Ini menghasilkan dua sel diploid yang serupa. kromosom gagal dipisahkan semasa meiosis, seperti sindrom Patau, dengan kesan kromosom gagal dipisahkan semasa mitosis.
:D
A zygote having 2n-1 chromosomesMonosomicHaving the appropriate number of chromosomesEuploidyHaving an abnormal number of a particular chromosomeAneuploidyHaving three complete chromosomal sets in all somatic cellsTriploidyA zygote having 2n+1 chromosomesNOT A MATCH
Answers
A zygote has 2n-1 chromosomes is Monosomic.
Each species has a distinct number of chromosomes, such as the 46 chromosomes found in a typical human cell. In organisms with two sets of full chromosomes, such as humans, this number is referred to as 2n.
A euploid refers to a cell that is missing one or more chromosomes. Human somatic cells with chromosome numbers of (2n - 1)=4 or (2n + 1) = 47 are examples of aneuploid cells. Monosomic occurs when an organism has only one copy of a chromosome that should have two copies, indicating a ploidy number (2n-1).
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describe 4 differences between a bactrial cell and a plant cell
Answers
Answer:
Genetic material, cell wall, photosynthesis, and ribosomes.
Extras: vacuole, flagella
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