-The Cell Is the Basic Unit of Life

question 19

Multiple Choice

-The cell is the basic unit of life.All cellular structures exhibit special functions.Match the structure with its function.What is the function of "C"?

• A)contains digestive enzymes
• B)directs cellular activities,contains DNA
• C)outer boundary of cell,controls entry and exit of substances
• D)major site of ATP synthesis when oxygen is available
• E)site of protein synthesis

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Definitions:

Social Security Tax

A mandatory payroll tax collected to fund the Social Security program, providing retirement, disability, and survivors' benefits.

Medicare Tax

A federal tax that funds the Medicare program, which is withheld from an employee's paycheck and also matched by the employer.

FICA Tax

A federal tax in the United States that funds Social Security and Medicare, contributed by both employees and employers.

Tax Withheld

The portion of an employee's income that an employer sends directly to the government as a payment of income taxes.