Depending on an Animal Cell's Job, It Might Require a Certain

question 228

Multiple Choice

Depending on an animal cell's job, it might require a certain kind of junction to ensure proper function.If tight junctions were replaced by desmosomes in cells lining the bladder, what might be the result?

• A) Bladder cell contents would move through the extracellular matrix.
• B) Migration of proteins in the bladder cell membranes would be restricted.
• C) Intercellular spaces between the bladder cells would be sealed off.
• D) The number of gap junctions in the bladder cells would increase.
• E) Fewer integrins would be needed to anchor the bladder cells.

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Definitions:

Send Messages

The act of transmitting information or communication from one’s person, place, or electronic device to another.

Dendrites

Branch-like extensions of neurons that receive signals from other neurons.

Action Potential

The sudden reversal of the resting potential, which initiates the firing of a neuron.

Neurotransmitters

Chemical substances released at the end of a nerve fiber by the arrival of a nerve impulse, facilitating the transmission of impulses across synapses to another nerve, muscle, or gland.