A Cell in the Epithelium Lining the Human Gut Is

question 44

Multiple Choice

A cell in the epithelium lining the human gut is very different in structure and function from, for example, a white blood cell. How would you describe the genetic basis for this difference?

• A)These different cell types express different sets of genes, although their genomes are identical.
• B)These different cell types contain different sets of genes as a result of modifications during development.
• C)Genes are gradually lost as these cell types differentiate into specialized tissues.
• D)The genes evolve as the body develops the specialized tissues needed for full development.

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Definitions:

Voluntary Muscles

Muscles that are consciously controlled, enabling movements like walking, grabbing, or speaking.

REM Sleep

A sleep phase characterized by rapid eye movement, increased brain activity, and vivid dreaming, playing a crucial role in emotional regulation and memory consolidation.

Brain Waves

The electrical activity in the brain, which is often categorized into various types such as alpha, beta, delta, and theta waves, each associated with different states of consciousness and mental activities.

Complete Night's Sleep

A full duration of sleep throughout the night, typically considered to be between 7 to 9 hours for adults, vital for optimal health and well-being.