-What Is the Structure Indicated by the Number 5 in Figure

question 124

Multiple Choice

-What is the structure indicated by the number 5 in Figure 12.1 and what its functional significance?

• A) A band : length of myosin attached to an M line
• B) Z line : anchors the thin filaments together
• C) M line : where the tails of the myosin molecules are bound to one another
• D) sarcomere : the functional unit of muscle contraction whose length is changed as a muscle shortens and lengthens
• E) H zone : area of myosin not overlapped by actin

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Definitions:

Level of Significance

The threshold chosen by the researcher below which a p-value indicates that the observed result is statistically unlikely to have occurred by chance.

Expected Frequency

The predicted number of times an event will occur over a specified period in a statistical experiment.

Cramér's V

Cramér's V is a measure of association between two nominal variables, giving a value between 0 and 1 to indicate the strength of the relationship.

Cramér's V

A measure of association between two nominal variables, giving a value between 0 and 1.