Which of These Statements Applies to Gap Junctions

question 24

Multiple Choice

Which of these statements applies to gap junctions

• A)They allow action potentials to spread from cell to cell.
• B)They are the junctions between the muscle fibres within a motor unit.
• C)They are found only in smooth muscle.
• D)They are the junctions between the autonomic nervous system and smooth muscle cells.

---

Definitions:

Test Statistic

A calculated value used in statistical testing to determine whether to reject the null hypothesis.

P-Value

The probability of observing test results at least as extreme as the results actually observed, under the assumption that the null hypothesis is correct.

Degrees of Freedom

The number of independent values or quantities that can vary in the calculation without violating any constraint.

Contingency Table

A tabular method used to summarize the relationship between several categorical variables, showing distribution of frequencies.