Fast fibers have higher myosin _______ activity than slow fibers

Fill in the blank(s) with correct word


ATPase

Anatomy & Physiology

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The muscle most commonly involved in a rotator cuff injury is the ____________________.

Fill in the blank(s) with the appropriate word(s).

Anatomy & Physiology

Sequence the following events involved in muscle cell contraction:

1 . Sodium channels open and sodium flows in. 2 . Impulse reaches the axon's terminal. 3 . ACh binds to receptors on the muscle cell membrane. 4 . Synaptic vesicles fuse with neuron's membrane and release ACh via exocytosis. 5 . If enough sodium moves in to the muscle cell, an impulse (action potential) develops. a. 1, 2, 3, 4, 5 b. 2, 1, 3, 4, 5 c. 2, 4, 3, 1, 5 d. 3, 4, 5, 1, 2 e. 3, 5, 2, 1, 4

Anatomy & Physiology

What occurred when pepsin was boiled?

A) The enzyme didn't work because the incubation temperature was too high. B) It was inactivated. C) Its activity increased. D) The enzyme didn't work because the pH was too low.

Anatomy & Physiology

Which term is defined as the volume of blood in the ventricle at the end of ventricular diastole?

a. EDV (end-diastolic volume) b. CO (Cardiac Output) c. SV (stroke volume) d. ESV (end-systolic volume) e. preload

Anatomy & Physiology