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NemiM [27]
3 years ago
9

What did the Watson-Crick model suggest about the replication of DNA?

Biology
2 answers:
erma4kov [3.2K]3 years ago
5 0

Answer:

The correct answer is c. If the double helix were unwound, each nucleotide along the two parent strands would form a hydrogen bond with its complementary nucleotide.

Explanation:

DNA is made up of nucleotide which contains a nitrogenous base, a five-carbon sugar, and a phosphate group. So each strand of DNA is joined together by phosphodiester bond formed between two ribose sugar.

DNA is made up of two antiparallel strands of Polynucleotide and these two strands are joined together with the help of hydrogen bonds formed between the two complementary nitrogenous bases.

Adenine forms two hydrogen bonds with thymine in DNA and guanine form three hydrogen bonds with cytosine. Therefore the correct answer is c. If the double helix were unwound, each nucleotide along the two-parent strands would form a hydrogen bond with its complementary nucleotide.

Setler [38]3 years ago
3 0

Answer:

c. If the double helix were unwound, each nucleotide along the two parent strands would form a hydrogen bond with its complementary nucleotide.

Explanation:

According to the Watson-Crick model, two DNA strands are held together by complementary base pairing wherein each nucleotide of one DNA strand forms hydrogen bonds with its complementary nucleotide present in the other strand. During DNA replication, two DNA strands are separated by the action of helicases enzymes.

The separated DNA strands serve as a template for DNA replication. Here, each nucleotide of the template DNA strand binds to its complementary nucleotide by hydrogen bonds. For example, adenine of the template strand forms two hydrogen bonds with thymine while guanine forms three hydrogen bonds with cytosine.

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