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Ber [7]
3 years ago
11

1. What function do photoreceptor cells perform?

Biology
1 answer:
Eddi Din [679]3 years ago
5 0

Answer:

The correct answer is 3 They detect light,allowing the spiders to see colors.

Explanation:

Photoreceptors are also called transducin  presnt in the rod cells of retina and play an important role in vision.

     The phoreceptor is a G protein coupled receptor that contain GDP.When light strikes the eye the GDP is coverted to GTP resulting in the activation of the photo receptors.

 The activation of photo receptors result in the closure of Na+ ion channels leading to hyperpolarization caused by lowering the cellular label of cGMP by the activation of phosphodiesterase enzyme.

  This ultimately result in the formation of 5"GMP.

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8 0
2 years ago
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How are the results of genetic drift similar to the results of gene flow?
Fynjy0 [20]
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Genetic drift is a change in the frequency of alleles in a population as a result of random sampling of organisms. I<span>magine you have two different alleles in the population responsible for red and white color of a flower. Their allele frequencies are 0.2 for white flowers and 0.8 for red flowers. After some change in the environment, only white flowers survive. They will reproduce, and in the population, there will be only white flowers. The population for these flowers will increase from 0.2 to 1.
Speaking of gene flow, it is not as dramatic and drastic as genetic drift, but still, it includes a transfer of alleles from one population to another, so there is expected a change in allele frequency.</span>

5 0
3 years ago
Bryozoans have several different forms. The branching form is often mistaken for a type of coral. Which is true and can be used
-BARSIC- [3]

Answer:

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4 0
3 years ago
What is the function of nucleic acids?
Marrrta [24]
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3 0
3 years ago
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Which is the first step in the contingency planning process among the options listed here?
AVprozaik [17]

Business Impact Analysis

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4 0
3 years ago
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