A Gap Junction Is a Channel That Connects Adjacent Cells

question 18

Multiple Choice

A gap junction is a channel that connects adjacent cells.From substances listed,which one cannot pass through a gap junction?

• A)ions that can regulate heartbeat
• B)amino acids
• C)nucleotides
• D)ribosomes

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Definitions:

Antenna

A structure or device used to transmit or receive electromagnetic waves.

Dendrites

The branched extensions of a neuron that receive signals from other neurons and conduct them toward the cell body.

Neurons

Specialized cells within the nervous system that transmit information to other nerve cells, muscle, or gland cells.

Nerve Cells

Specialized cells that transmit electrical signals throughout the body, also known as neurons.