Each Amino Acid Has Two Functional Groups in Common and One

question 109

Multiple Choice

Each amino acid has two functional groups in common and one of 20 other groups attached to the -carbon. The two functional groups are

• A) carboxyl and amine.
• B) ester and amine.
• C) carboxyl and amide.
• D) alcohol and amine.
• E) carboxyl and peptide.

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Definitions:

Hemorrhage

is the escape of blood from a ruptured blood vessel, leading to bleeding internally or externally.

Hypothalamus

An area of the brain situated beneath the thalamus that regulates the autonomic nervous system and the function of the pituitary gland, overseeing body temperature, thirst, hunger, and various other systems that maintain internal balance.

Vitamin D

A fat-soluble vitamin that is essential for maintaining healthy bones and teeth, and supporting the immune system.

Keratinocyte Cells

Specialized skin cells that produce keratin, a key protein in the skin, hair, and nails.