#Question id: 1097
#Unit 4. Cell Communication and Cell Signaling
A signal transmitted via phosphorylation of a series of proteins is generally associated with which of the following events?
#Question id: 1098
#Unit 4. Cell Communication and Cell Signaling
Which of the following is the most plausible explanation for why an animal cell would be unable to reduce the Ca2+ concentration in its cytosol compared with the extracellular fluid?
#Question id: 1099
#Unit 4. Cell Communication and Cell Signaling
How does the toxin of Vibrio cholerae cause profuse diarrhea?
#Question id: 1100
#Unit 4. Cell Communication and Cell Signaling
Which of the following results would most likely be an immediate result of a growth factor binding to its receptor?
#Question id: 1101
#Unit 4. Cell Communication and Cell Signaling
The activity of adenylyl cyclase is essentially the opposite of which of the following enzymes?
#Question id: 1102
#Unit 4. Cell Communication and Cell Signaling
Caffeine is an inhibitor of phosphodiesterase. Therefore, the cells of a person who has recently consumed coffee would have increased levels of which of the following molecules?