Which of the following statements correctly identifies a hydrogen bond donor and a hydrogen bond acceptor in the base pair structure shown below?
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Question

Which of the following statements correctly identifies a  hydrogen bond donor  and a  hydrogen bond acceptor  in the base pair structure shown below?

Answer

Atom 2 is a hydrogen bond donor and atom 4 is a hydrogen bond acceptor.

Answer

Atom 1 is a hydrogen bond donor and atom 2 is a hydrogen bond acceptor.

Answer

Atom 5 is a hydrogen bond donor and atom 2 is a hydrogen bond acceptor.

Answer

Atom 3 is a hydrogen bond donor and atom 5 is a hydrogen bond acceptor.

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