Which Statement About the Semiconservative Replication of DNA Is True

question 80

Multiple Choice

Which statement about the semiconservative replication of DNA is true?

• A) Each of the original strands acts as a template for a new strand.
• B) Only one of the original strands acts as a template for a new strand.
• C) It involves the complete separation of the original strands,the synthesis of new strands,and the reassembly of double-stranded molecules.
• D) The intact double-stranded molecule is used as a template.
• E) RNA is used as a template for DNA.

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Definitions:

Fetus

A developing mammal or human from the end of the embryonic stage (usually from nine weeks after fertilization) to birth.

Blastocyst

A stage of embryonic development characterized by a fluid-filled structure formed about 5-6 days after fertilization, preceding implantation in the uterine wall.

Nutrient Exchange

The transfer of nutrients from the mother to the fetus during pregnancy, essential for fetal development.

Ovum

A mature female reproductive cell, especially of a human or other animal, which can fuse with a male gamete in sexual reproduction.