Calcium Is a Second Messenger

question 33

True/False

Calcium is a second messenger.

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Definitions:

Nonmembranous Organelles

Organelles in cells that are not enclosed within membranes, such as ribosomes and centrioles.

Surface Area

The total area that the surface of an object occupies, often relevant in processes such as absorption and evaporation.

Microvilli

Tiny projections found on the surface of some cells that increase the surface area for absorption.

Chromosomes Line Up

A phase in cell division where chromosomes align in the middle of the cell before being separated into daughter cells.