When an Individual Is Exercising Heavily and When the Muscle

question 86

Multiple Choice

When an individual is exercising heavily and when the muscle becomes oxygen-deprived, muscle cells convert pyruvate to lactate. What happens to the lactate in skeletal muscle cells?

• A) It is converted to NAD+.
• B) It produces CO2 and water.
• C) It is taken to the liver and converted back to pyruvate.
• D) It reduces FADH2 to FAD+.
• E) It is converted to alcohol.

---

Definitions:

Cash Equivalents

Short-term, highly liquid investments that are readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

Money Market Accounts

Savings accounts that typically offer higher interest rates, with the balance usually accessible through checks or electronic transfers.

Commercial Paper

An unsecured, short-term debt instrument issued by a corporation, typically for the financing of accounts payable and inventories.

Cash Equivalents

Short-term, highly liquid investments that are readily convertible to known amounts of cash and are subject to insignificant risk of changes in value.