Which of the Following Statements About Slow-Twitch and Fast-Twitch Muscles

question 112

Multiple Choice

Which of the following statements about slow-twitch and fast-twitch muscles is true?

• A) One is smooth muscle and one is skeletal muscle.
• B) They express different genes in their myosin molecules.
• C) One occurs only in mammals.
• D) They typically have similar numbers of mitochondria per cell.
• E) Those with low ATPase activity compensate by quickly recycling their actin-myosin bridges.

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Definitions:

Destructive Tumor

A growth that invades and causes damage to surrounding tissues, often referred to as malignant or cancerous.

Anterior Pituitary

A gland located at the base of the brain that produces hormones regulating critical bodily functions, including growth and reproductive activities.

Adrenal Medullary Hormones

Hormones produced by the adrenal gland's medulla, such as adrenaline and noradrenaline, that are involved in stress responses.

Stress

The body’s method of reacting to a condition such as a threat, challenge or physical and psychological barrier, stimulating a fight or flight response.