An Important Difference Between Skeletal and Cardiac Muscle Is That

question 6

Multiple Choice

An important difference between skeletal and cardiac muscle is that

• A) cardiac muscle is not striated.
• B) only skeletal muscle is dependent upon actin-myosin cross-bridging.
• C) calcium does not leave the sarcoplasmic reticulum in cardiac cells.
• D) cardiac muscle has calcium channels on the cell surface for calcium entry.

---

Definitions:

Minimum Required Rate

This is the lowest rate of return or interest rate that investors are willing to accept for investment in a project, often influenced by risk and market conditions.

Net Operating Income

The profit realized from a business's operational activities, after deducting operating expenses but before interest and taxes.

Sales

The total amount of money received by a company for goods or services sold during a certain period of time.

Average Operating Assets

The average value of the assets used in a business's operational activities over a period.