Calcium Signaling

Question 1

The onset of ____ signals is far more rapid than that of other signals.

Answer 1

Ca2+

Question 2

Ca2+ can move from the mitochondria via the ____ or _____.

Answer 2

Mitochondrial uniporter, permeability transition pore (MPTP)

Question 3

Ca2+ moves from the lumen of the ER/SR to thecytoplasm via _____ or _____.

Answer 3

IP3 receptors, ryanodine receptors

Question 4

Ca2+ moves from outside cell into cytoplasm via _____ or _____.

Answer 4

Voltage- and ligand-gated Ca2+ channels, store-operated Ca2+ channels (Orai1)

Question 5

The onset of Ca2+ signals is far more ____ than that of other signals.

Answer 5

rapid