Figure 9-2 -Why Is There Partial Relaxation in Graph (C)

question 30

Multiple Choice

Figure 9-2
-Why is there partial relaxation in graph (c) ?

• A)Calcium ion release is slow.
• B)The muscle is starting to fatigue.
• C)Stimulation intensity is fluctuating.
• D)ATP reserves are cycling.
• E)Maximum tension is below maximum.

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Definitions:

Common Ancestor

An ancestor that two or more descendants have in common, where it is the most recent individual from which all organisms in a group directly descend.

Hox Genes

A group of related genes that control the body plan of an embryo along the head-tail axis.

WNT Genes

A family of genes that encode for signaling molecules involved in the regulation of embryonic development and the control of cell processes in adult animals.

Land Animals

Organisms that live primarily or exclusively on land, as opposed to aquatic or air environments.