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charle [14.2K]
3 years ago
13

Why does the dna double helix have a uniform diameter?

Biology
1 answer:
ASHA 777 [7]3 years ago
8 0
The purines always pair with the pyrimidines
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The new cells are the same as the previous ones, since they are the result of the mitosis process.

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When we cut our skin, our brain sends information to millions of cells to take action and prevent this cut from putting us in danger. At that moment, the blood cells begin their work, supplying enough oxygen to stop possible bleeding and start the healing process. Then another group of cells swap out possible bacteria that may be trying to get into the wound. Last but not least, skin cells enter cell division and undergo mitosis, to generate new cells and create a new skin layer.

New cells are the same as old cells, as they are the result of mitosis. Mitosis is the process of cell division where one cell gives rise to two cells exactly the same as it.

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It's an explanation in molecular biology, of the flow of genetic information provided in a biological system.

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The correct answer is c. 3 ' hydroxyl of deoxyribose.  
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During the DNA synthesis via PCR, polymerization occurs in 5’-3’ direction. This means that enzyme DNA polymerase which synthesizes a new DNA strand is complementary to the DNA template strand (3’-<span>5’ direction). 5’ phosphate group of the free nucleotides which are added is attached to the 3'-hydroxyl group at the end of the elongating DNA strand.</span></span>
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