Which of the Following Statements Best Defines an Essential Amino

question 28

Multiple Choice

Which of the following statements best defines an essential amino acid?

• A) It is an amino acid that is necessary for life.
• B) It is an amino acid that is synthesized in the body.
• C) It is any of the 20 amino acids.
• D) It is another name for the nonpolar amino acids.
• E) It is an amino acid that cannot be produced by the body.

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Definitions:

Radial Symmetry

A symmetrical arrangement of parts around a central axis, as seen in many aquatic organisms, allowing them to interact with their environment from any direction.

Endoskeleton

An internal support structure of the body, found in vertebrates, consisting of bones and cartilages.

Complete Metamorphosis

A type of insect development that includes four distinct life stages: egg, larva, pupa, and adult, with each stage looking entirely different and serving a different role in the life cycle.

Alternation of Generations

A reproductive cycle found in plants and some algae, involving both asexual and sexual phases.