How Are the Cells in Different Body Tissues Able to Perform

question 38

Multiple Choice

How are the cells in different body tissues able to perform different functions?

• A)The cells exhibit different patterns of gene expression.
• B)Different chromosomes have been inactivated in different cells.
• C)The cells contain different genes.
• D)Mutations have accumulated in the cells over time.

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Definitions:

Neuromuscular Junction

The synapse or junction where a motor neuron transmits a signal to a muscle fiber, causing muscle contraction.

Depolarization

A decrease in the voltage difference across a cell's plasma membrane, resulting in a more positive internal environment.

Calcium Ions

Essential ions within the body that play pivotal roles in bone health, muscle contraction, nerve function, and blood clotting.

G Actin

Globular protein molecules that, when bound together, form fibrous actin (F actin).