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Lunna [17]
2 years ago
15

DNA is often compared to a twisted ladder. In this analogy, what forms the

Biology
1 answer:
Oxana [17]2 years ago
5 0
A- on the sides you would find the phosphate and sugar so the center is the AT or CG
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If a cell in metaphase of mitosis is fused with a cell in the G$$_1$$ phase of the cell cycle, the second nucleus will also begi
nalin [4]

Answer:

C. Molecules such as cyclins are in high concentration in the cytoplasm of a dividing cell and will signal the fused cells nucleus to undergo mitosis

Explanation:

Various stages of the cell cycle are under tight regulation. Specific proteins such as cyclins and cyclin-dependent protein kinases determine if the cell would progress from one stage of the cell cycle to the next. When a cell is in the metaphase, the cyclins specific for mitosis are present in a higher amount in the cell. These cyclins bind to the specific CDKs and activate them.

The activated CDKs then phosphorylate proteins that make the cell to move through various stages of mitosis. Therefore, fusing a G1 cell with a cell in metaphase of mitosis would trigger mitosis in the G1 cell due to the presence of mitosis specific cyclins in the second cell.

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2 years ago
If genes are on different chromosomes, the law of independent assortment states that -
GaryK [48]

Answer:

Gene pairs segregate randomly and independently of each other.

Explanation:

Genes are the basic units of hereditary and are located on chromosomes. According to Gregor Mendel's law of independent assortment  which states that the alleles of two (or more) different genes are sorted into gametes independently of one another. This means that the allele a gamete receives for one gene does not influence the allele the same gamete receives for another gene.

For example, in a the pea plants used by Mendel in his studies, the genes for seed shape and flower color were inherited independent of each other by the offspring of the parent pea plants. Therefore, Mendel concluded that the inheritance of each trait was independent of the other.

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2 years ago
A glass of ice water is placed in a warm room. Over time, the ice melts.
NikAS [45]

You forgot to provide the statements

4 0
3 years ago
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Which model best describes how gravity causes star formation?
olasank [31]

Answer:

The choice b

Explanation:

took the test

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3 years ago
Which step of the scientific method do you perform after you form a<br> hypothesis?
Dennis_Churaev [7]

Answer:

I don't know

Explanation:

Because my brain doesn't <em>work</em>

8 0
3 years ago
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