Figure 7-1 Structural Components of a Skeletal Muscle Fiber

question 111

Multiple Choice

Figure 7-1 Structural Components of a Skeletal Muscle Fiber
Use Figure 7-1 to identify the labeled part.
-Structure G is composed of

• A) actin.
• B) myosin.
• C) troponin.
• D) tropomyosin.
• E) sarcoplasmic reticulum.

---

Definitions:

U.S. Exempt Payee

A category used for certain entities or individuals that are exempt from tax withholding on certain types of income, as specified by the IRS.

Federal Withholding Tax

Income tax withheld from employees' wages and paid directly to the government by the employer, acting as an advance payment of income tax.

Semimonthly Wages

Wages that are paid twice a month, resulting in 24 pay periods within a year.

Self-Employment Taxes

Taxes that must be paid by individuals who work for themselves, covering Social Security and Medicare contributions.