$\alpha$ -Helices Are Usually Found in DNA Binding Proteins Because They

question 13

Multiple Choice

$\alpha$ -Helices are usually found in DNA binding proteins because they

• A) are the only secondary feature found in proteins.
• B) are the only stable secondary feature in proteins.
• C) have the appropriate diameter to fit into the major groove of DNA.
• D) have the appropriate diameter to fit into the minor groove of DNA.

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