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TLS Online TPP Program

#Question id: 1099

How does the toxin of Vibrio cholerae cause profuse diarrhea?

#Unit 4. Cell Communication and Cell Signaling

  1. It modifies a G protein involved in regulating salt and water secretion.

  2. It modifies adenylyl cyclase and triggers excess formation of cAMP.

  3. It signals IP3 to act as a second messenger for the release of calcium.

  4. It modifies a ligand-gated ion channel.

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TLS Online TPP Program

#Question id: 2080

#Unit 2. Cellular Organization

Which of the following factors would tend to increase membrane fluidity?
TLS Online TPP Program

#Question id: 2081

#Unit 2. Cellular Organization

The plasma membrane around a eukaryotic cell is composed of:
TLS Online TPP Program

#Question id: 2082

#Unit 2. Cellular Organization

Which of the cellular organelles are enclosed by two cellular membranes?
TLS Online TPP Program

#Question id: 2086

#Unit 2. Cellular Organization

Which of the following is (are) not present in biomembranes?
TLS Online TPP Program

#Question id: 2087

#Unit 2. Cellular Organization

Phospholipids with short or unsaturated fatty acyl chains
TLS Online TPP Program

#Question id: 2088

#Unit 2. Cellular Organization

Lipid droplets arise from the