Rotation Is Allowed About Which Bond Within a Polypeptide Chain

question 36

Multiple Choice

Rotation is allowed about which bond within a polypeptide chain?

• A)the α-carbon and carbonyl carbon
• B)the β-carbon and carbonyl carbon
• C)the carbonyl carbon and the nitrogen of the peptide bond
• D)the α-carbon and nitrogen of the peptide bond

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Definitions:

Sebum

An oily substance produced by sebaceous glands in the skin, which lubricates and waterproofs the skin and hair.

Epidermis

The outermost layer of the skin that provides a waterproof barrier and creates skin tone.

Oral Care

The practice of keeping the mouth, teeth, and gums clean and healthy to prevent disease, including regular brushing and dental check-ups.

Dental Visits

Appointments with a dentist for the examination, cleaning, and treatment of teeth and gum conditions to maintain oral health.