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Monica [59]
3 years ago
13

Select all that apply. Chromosomes _____.

Biology
2 answers:
Georgia [21]3 years ago
6 0

the answers are 1) 2) 3) and 5)

Vladimir [108]3 years ago
3 0
The correct answers are 1) Are rod-shaped structures that contain DNA, 2) Are located in the nucleus, 3) Occur in numbers that are the same for all members of a certain species, and 5) Are organized into karyotypes for scientists to analyze. Hope this helps.
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Why are AT pairs are easier to pull apart than GC pairs during the unwinding process
Mice21 [21]
Initiator proteins break hydrogen bonds separating short length of DNA, AT base pairs are held together by fewer hydrogen bonds than GC pair. Thus AT pairs are easier to pull apart, At rich regions are typically found in the replication origins. Replication origins are site at which DNA is first opened.
5 0
3 years ago
Which statement accurately describes the relationship between cytokinesis and mitosis?
miv72 [106K]
I believe that Cytokenesis follows Mitosis, because cytokenesis is the actual split of the cells' membranes (after telophase)! Hope this helps 
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3 years ago
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Melanoma is a skin cancer that occurs in the melanocyte cells of the body. what could be a cause of melanoma?
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Too much exposure to UV rays 

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Please help me!!!
Agata [3.3K]
It's C. RNA uses Uracil in place of Thymine

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3 years ago
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The sickle-cell allele produces a serious blood disease in homozygous recessive individuals. why doesn't natural selection elimi
icang [17]

No, the sickle-cell anemia allele won't be eliminated by natural selection.

Sickle-cell anemia trait is controlled by a single gene and the allele (S) for sickle-cell anemia is a harmful autosomal recessive.

It is caused by a mutation in the normal allele (A) for hemoglobin (a protein on red blood cells).

Heterozygotes (AS) with the sickle-cell allele are resistant to malaria, a deadly tropical disease. It is common in many African populations.

In these areas, (S) carriers have been naturally selected, because their red blood cells, containing some abnormal hemoglobin, tend to be in sickle shape when they are infected by the malarial parasite.

Therefore, they are more likely to survive and reproduce. This keeps the S allele in the gene pool.

Learn more about Sickle-cell anemia on

brainly.com/question/14505007

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2 years ago
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