45. Nitric Oxide (NO) is an examples of which of the following types of signalli

Question

45. Nitric Oxide (NO) is an examples of which of the following types of signalling molecules; A. Cell to cell contact B. Autocrine C. Paracrine D. Neurotransmitter E. B and C 46. A bacterial cell produces an enzyme that inhibits Rab. The effect of this will be; A. Inhibition of vesicles from interacting the tethering proteins B. Inhibition of nuclear transport C. Activation of vesicle budding D. Initiation of cancer 47. How do extracellular signaling molecules amplify their effects and engage effector proteins inside the cell? A. Via direct intracellular localization and activation B. Via phosphorylase activity of kinetic effector proteins C. Via a relay process requiring intracellular molecules D. Via deletion and recycling of Clathrin coated vesicles 48. Which of the following is/are mechanism(s) of protecting proteins in the ER from degradation A. Phosphorylation B. Glycosylation C. Inhibition D. Oxidization

Explanation / Answer

45. Nitric oxide (NO) acts as a paracrine signal that affects only neighboring cells.

47. Via intercellular localization amd activation

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