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kow [346]
3 years ago
14

A _____ is a section of a chromosome that codes for a trait. The specific combination of alleles an organism has is called its _

_____ which affect(s) the organism's______?
Biology
1 answer:
ANTONII [103]3 years ago
3 0

Answer:

Allele. An allele is a viable DNA (deoxyribonucleic acid) coding that occupies a given locus (position) on a chromosome. ... An organism in which the two copies of the gene are identical — that is, have the same allele — is called homozygous for that gene.

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Explanation:

Ummm by losing 75% I'm sure you're a vegetable :-)

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How Light Bleaches Rhodopsin
OleMash [197]

Answer:

Salut!

  1. Light enters the eye through the cornea.
  2. Light travels to the macula within the retina.
  3. Rhodopsin absorbs light, and the Vitamin A changes shape.
  4. Vitamin A detaches from the rhodopsin, and some vitamin A is lost.
  5. Vitamin A from the bloodstream replenishes what is lost. The vitamin A returns to its original shape.

Explanation:

Retina is the part of the eye that contains photosensitive cells that capture light and produce the electrical signals that the brain perceives as images. These photosensitive cells are of two kinds:

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Rods contain the photosensitive pigment, rhodopsin that is needed for vision at night or in dim light. Cones function in bright light.

Rhodopsin Bleaching:

Vision in bright or excessive light requires a process called rhodopsin bleaching which is the degradation of rhodopsin upon exposure to light. Upon contact with light, rhodopsin goes through structural changes characterized by the conversion of a pigment derived from Vitamin A, 11-<em>cis</em> retinal to all <em>trans</em> retinal. This chemical conversion initiates a photo-transduction reaction (reaction in which a photon of light is converted into electrical signals) that produces the electrical signals that travel to the brain via the optic nerve. The brain converts the electrical signals to images. This is followed by rhodopsin regeneration in the dark in which all <em>trans</em> retinal is converted back into 11 <em>cis</em> retinal.

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What is an electrically charged atom? A. ion B. isotope C. molecule D. compound
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The answer is A because it’s  produced by either moving or removing electrons from the neutral atom

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Why is pyruvic acid never the end product of fermentation
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Positive feedback is when the change caused by the stimulus is
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Answer:

A feedback loop

Explanation:because

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