Question

Which of the following is true about DNA replication?

Enzymes break the hydrogen bonds between the nitrogenous bases to separate the two strands of DNA.
DNA replication allows for the formation of hydrogen bonds to copy two old strands of DNA.
DNA polymerase is an enzyme that works to transport DNA from the nucleus to the cytoplasm.
The double helix results from two old strands of DNA fused together to form two new strands.

Answer 1

a

Step-by-step explanation:

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Answer 2

A. Enzymes break the hydrogen bonds between the nitrogenous bases to separate the two strands of DNA.

Step-by-step explanation:

DNA replication involves several different enzymes. Enzymes break the hydrogen bonds between the nitrogenous bases to separate the two strands of the DNA molecule. Then an enzyme called DNA polymerase joins individual nucleotides together to form the new complementary strands of DNA. Lastly, the DNA polymerase "proofreads" each new strand to make sure that each DNA molecule is perfect, or a nearly perfect copy of the original molecule.