11 In cell signal transduction, the role of PO4 is best described as a dimerizin

Question

11 In cell signal transduction, the role of PO4 is best described as a dimerizing on the cell surface. b signals cells to undergo meiosis. c. preventing diseases. d. strengthening and amplifying transduction of the signal. e. linking enzyme functions to structure. 12. Another important role of the phosphorylation a. to increase the magnitude of the gene cascade is regulation. b. to prevent "misfires" so cells don't respond to irrelevant events. c. to facilitate dimerization of the receptors o the cell surface. d. halt signal transduction. e. target cells for necrosis. 13. The reason that there are so many different types of GCPR and TRK is a. to increase flexibility of cell responses. b. to allow for tissue specificity of the cell e. to allow of redundancy and cross-talk of d. to allow cells to receive and respond to a e. all of the above. responses. signals. wide variety of signals. 14. In general, the ultimate purpose of signal tranedurtinn ie to

Explanation / Answer

11. Option D is correct.

Signaling cascade through kinases amplifies and strengthens the initial signal.

12. Option C is correct.

Many signaling receptors dimerize upon phosphorylation.

13. Option E is correct

Multiple combinations of GPCRs and TRKs allow

i. Flexibility

ii. Tissue specificity

iii. Cross-talk

iv. Allow cells to respond to diverse signals

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