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DNA Synthesis Mechanism

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Questions and Answers

In the process of DNA replication, which of the following statements is true?

Both strands of the double helix are completely newly synthesized.

One strand of the double helix is conserved from the parent molecule, and the other is newly synthesized. (correct)

Both strands of the double helix are conserved from the parent molecule.

The process involves the synthesis of a completely new double helix, independent of the parent molecule.

In the process of DNA synthesis, which end of the growing polynucleotide chain do nucleotides get added to?

Both the 5' and 3' ends simultaneously

The 5' end

The ends are not relevant; nucleotides can be added anywhere along the chain.

The 3' end (correct)

What is the role of the template strand during DNA synthesis?

It is responsible for unwinding the double helix during replication.

It serves as a primer for initiating DNA synthesis.

It provides instructions for the order of nucleotides to be added via base pairing. (correct)

It acts as a catalyst for the addition of nucleotides.

What is required for a phosphodiester bond to form between nucleotides during DNA synthesis?

The incoming nucleotide must properly pair with the corresponding base in the template strand. Signup and view all the answers

Which of the following best describes the process of DNA synthesis?

It is an iterative process where nucleotides are added one by one to the growing strand. Signup and view all the answers

What is the orientation of the growing daughter strand relative to the template strand during DNA synthesis?

Anti-parallel Signup and view all the answers

Which enzyme is primarily responsible for catalyzing the addition of nucleotides during DNA replication?

DNA polymerase Signup and view all the answers

What is the purpose of the repetitive addition of nucleotides during DNA synthesis?

To elongate the growing daughter strand Signup and view all the answers

What is required for the process of DNA synthesis to proceed to the addition of the next nucleotide?

The previous nucleotide must be properly base-paired with the template strand. Signup and view all the answers

What is the relationship between the growing daughter strand and the template strand during DNA synthesis?

The daughter strand is complementary to the template strand. Signup and view all the answers