Which Statement About Slow-Twitch and Fast-Twitch Muscles Is True

question 38

Multiple Choice

Which statement about slow-twitch and fast-twitch muscles is true?

• A) The first is smooth muscle and the second is skeletal muscle.
• B) They express different genes coding for their myosin molecules.
• C) Fast-twitch muscles occur only in mammals.
• D) They typically have similar numbers of mitochondria per cell.
• E) They both compensate for low ATPase activity by recycling their actin-myosin bridges.

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Definitions:

Consumer Demand Curve

illustrates the relationship between the price of a good or service and the quantity demanded by consumers over a period, typically showing an inverse relationship.

Diminishing Marginal Utility

The principle that says the additional satisfaction a consumer gains from consuming one more unit of a good or service will lessen with each additional unit consumed.

Marginal Utility

Marginal utility is the additional satisfaction or utility that a consumer derives from consuming one more unit of a good or service.

Marginal Utility

This term refers to the additional satisfaction or utility gained by consuming one more unit of a good or service.