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murzikaleks [220]
3 years ago
7

The g1 phase of the cell cycle is characterized by

Biology
1 answer:
GuDViN [60]3 years ago
4 0

it is the first stage of cell growth.

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In fruit flies long wings are dominant to short wings what is the genotype of each parent A) WW;Ww B)Ww;ww C) Ww;Ww D)WW;WW
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Your answer is C) Ww;Ww
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PLS HELP
malfutka [58]

Answer:

Explanation:

the two populations will become different species over time due to accumulated mutations occuring in both populations

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Which of the following is an example of a nonpit source of freshwater pollution
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Agricultural chemicals is an example of a nonpit source of freshwater pollution
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An individual with the disorder Xeroderma pigmentosum is hypersensitive to sunlight succumbs to DNA damage caused by light expos
Svetlanka [38]

Answer:

Mutations of enzymes involved in nucleotide excision repair.

Explanation:

  • Xeroderma pigmentosum is a genetic disorder and the person suffering from this disorder is sensitive to ultraviolet light due to the disability of the enzymes involved in nucleotide excision repair which prevents DNA damage caused by ultraviolet light.
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  • Nucleotide excision repair is a DNA repair process that can excise out single-stranded DNA that is damaged by UV.
  • UV exposure leads to the addition of bulky adducts in the DNA known as thymine dimers. The enzymes of NER are involved in the removal of these adducts by excising out a segment of DNA that contains such lesions.
  • However, in the case of XP, the mutations make this repair system non-functional or partially functional and thus, the individual becomes highly sensitive to UV exposure.
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HELP!!! WILL GIVE BRAINLIEST TO BEST ANSWER. 40 POINTS!!!
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