The Polypeptide Chains in Alpha-Keratins

question 90

Multiple Choice

The polypeptide chains in alpha-keratins

• A) consist of long sections of alpha-helices.
• B) are sometimes twisted together to form rope-like structures.
• C) are held in a protein matrix by many disulfide bridges.
• D) All of the above are true.
• E) Only two of the above are true.

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Definitions:

Slight Smile

A subtle and often brief expression of happiness, contentment, or affection, usually indicated by a small upward curve of the corners of the mouth.

Pride

A feeling of self-respect and personal worth, often associated with a sense of accomplishment or belonging.

Vocal Nuances

Subtle variations in voice quality, tone, pitch, and emotion that can convey different meanings and add depth to verbal communication.

Expressive Emotion

The outward display of feelings through facial expressions, gestures, and behaviors, making one's emotional state known to others.