a. Rank the following types of cell signaling from 1 to 4, with 1 representing t

Question

a. Rank the following types of cell signaling from 1 to 4, with 1 representing the type of signaling in which the signal molecule travels the least distance and 4 the type of signaling in which the signal molecule travels the largest distance.

_____ paracrine signaling
_____ contact-dependent signaling
_____ neuronal signaling
_____ endocrine signaling

b. circle thw phrase in each pair that is likely to occur more rapidly in response to an extracellular signal.
A. changes in cell secretion / increased cell division
B. changes in protein phosphorylation / changes in proteins being synthesized.
C. changes in mRNA levels / changes in membrane potential

I answered these but I want to be sure that I got them right. Some help would be greatly appreciated.

Explanation / Answer

Answer of (a).

3   paracrine signaling
1 contact-dependent signaling
2 neuronal signaling
4 endocrine signaling

Answer of (b).

A. changes in cell secretion
B. changes in protein phosphorylation
C. changes in membrane potential

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