What Enzyme Cleaves the DNA Backbone to Remove the Beheaded

question 97

Multiple Choice

What enzyme cleaves the DNA backbone to remove the beheaded deoxyribose phosphate during base excision repair?

• A)an AP endonuclease
• B)phosphodiesterase activity of polymerase β
• C)5'->3' exonuclease
• D)3'->5' exonuclease
• E)DNA glycosylase

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Definitions:

Neural Circuits

Complex networks of interconnected neurons that process and transmit information in the brain.

Lesion

Any damage or abnormal change in the tissue of an organism, usually caused by disease or trauma.

Sex Hormones

Hormones that play a major role in sexual development and reproduction, including estrogen, progesterone, and testosterone.

Progesterone

A hormone released by the ovaries that regulates the condition of the inner lining (endometrium) of the uterus and is essential for maintaining pregnancy.