Becker's World of the Cell (9th Edition)
Becker's World of the Cell (9th Edition)
9th Edition
ISBN: 9780321934925
Author: Jeff Hardin, Gregory Paul Bertoni
Publisher: PEARSON
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Chapter 23, Problem 23.1PS

Chemical Signals and Second Messengers. Fill in the blanks with the appropriate terms.

(a) _______ is an intracellular protein that binds calcium and activates enzymes.

(b) Glucagon is an example of an _______ hormone.

(c) A substance that fits into a specific binding site on the surface of a protein molecule is called a _______.

(d) Two products of phospholipase C activity that serve as second messengers are _______ and _______.

(e) Cyclic AMP is produced by the enzyme _______ and degraded by the enzyme _______.

(f) Calcium ions are released within cells mainly from the _______.

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