A Mutation in the Gene Encoding Troponin Has Occurred in a Mouse.What

question 16

Multiple Choice

A mutation in the gene encoding troponin has occurred in a mouse.What is a possible effect that this mutation could have on muscle activity?

• A) Signals from nerve impulses may be blocked from initiating an action potential in the muscle cell membrane.
• B) An action potential may be prevented from traveling down the T tubules.
• C) Calcium pumps in the sarcoplasmic reticulum may be blocked from releasing calcium into the sarcoplasm.
• D) Increases in calcium concentration in the sarcoplasm may not lead to cross-bridge formation between actin and myosin.
• E) Both c and d

---

Definitions:

Race and Ethnicity

Categories used to classify humans into groups based on shared physical or social qualities such as skin color, cultural heritage, and ancestry.

Latino

A term referring to individuals or communities with cultural or ancestral ties to Latin America, often used interchangeably with Hispanic in the United States.

American Families

The diverse family structures and dynamics found within the United States, influenced by cultural, socioeconomic, and historical factors.

Saturation

Point when all carrier molecules or enzymes are attached to substrate molecules and no more molecules can be transported or reacted.