The Spontaneous Loss of Amino Groups from Adenine in DNA

question 1

Multiple Choice

The spontaneous loss of amino groups from adenine in DNA results in hypoxanthine, an uncommon base, opposite thymine. What combination of proteins could repair such damage?

• A) nuclease, DNA polymerase, DNA ligase
• B) topoisomerase, primase, DNA polymerase
• C) topoisomerase, helicase, single-strand binding protein
• D) DNA ligase, replication fork proteins, adenylyl cyclase
• E) nuclease, topoisomerase, primase

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Definitions:

Evolutionary History

The study of the origins, development, and diversification of life forms over time, including the pathways of descent and change in organisms.

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Scientists who study the biological basis of social behavior, exploring how evolution influences social practices and structures.