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Cellular and Molecular Biology

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Calcium: Sensing, Sequestration and Channels

CELLS-64ETJA

Which of the following statements is/are FALSE regarding cellular calcium and calcium channels?

Select ALL that apply.

A

Mitochondria have the ability to accumulate calcium rapidly.

B

Plant and animal cells maintain free cytosolic calcium at lower concentrations than most other inorganic ions.

C

TRPV channels in animal cells are highly-calcium permeable.

D

Non-selective ligand-gated cation channels that allow calcium to pass are responsible for action potentials in axons.

E

Voltage-gated calcium channels only exist in plants and cyanobacteria.

F

Calmodulin is a calcium sensing protein.