Chromosomes Are

question 7

Multiple Choice

Chromosomes are

• A) composed of ribonucleic acid.
• B) attached to organelles.
• C) replicated during cell division.
• D) made of proteins.

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Definitions:

Rapid Eye Movements

Quick, simultaneous movements of both eyes in the same direction, associated with the REM phase of sleep when dreaming occurs.

Dreaming

A complex experience of images, sounds, ideas, and emotions occurring involuntarily in the mind during certain stages of sleep.

REM Sleep

A stage of sleep characterized by rapid eye movements, during which most dreaming occurs and brain activity closely resembles that of being awake.

Physical Activity

Any bodily movement produced by skeletal muscles that requires energy expenditure, including exercise and everyday tasks.