Question

Which of the following statements is true regarding gap junctions?


Choose 1 answer:


(Choice A)

A

Gap junctions are found in plant cells.

(Choice B)

B

Gap junctions are narrow passages that form when holes are punched the cell walls of neighboring plant cells, allowing direct cytoplasmic exchange.

(Choice C)

C

Gap junctions form in order to seal off openings in animal cells and prevent liquids from leaking.

(Choice D)

D

Gap junctions form when connexons align in adjacent animal cells to form a channel.

Answer 1

D - Gap junctions form when connexons align in adjacent animal cells to form a channel.

Answer 2

Gap junctions are actually the connexons align in adjacent animal cells to form a channel. The correct option is D.

What are gap junctions?

Gap junctions are highly specialized intercellular interconnection that connect a wide variety of animal cell types.

They connect the cytoplasm of two cells directly, allowing molecules, ions, and electrical impulses to cross via a regulated gate between cells.

Thus, the correct option is D.

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