What is responsible for muscle contraction?

A. Interaction with Sarcoplasmic reticulum and actin
B. Interaction with Sarcoplasmic reticulum and myosin
C. Interaction with Myosin and Actin filaments
D. None of the above


C. Interaction with Myosin and Actin filaments

Anatomy & Physiology

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Activation energy is

A) required to convert an endergonic reaction to an exergonic reaction. B) the energy required for an endergonic reaction. C) the energy lost or gained in a reaction. D) the energy required to bring molecules into a position where they can interact.

Anatomy & Physiology

Prolonged vomiting, in which only the stomach contents are lost, leads to

A) respiratory alkalosis. B) metabolic acidosis. C) metabolic alkalosis. D) respiratory acidosis.

Anatomy & Physiology

In the nephron, the fluid that immediately precedes urine is known as ________.

A. renal filtrate B. glomerular filtrate C. tubular fluid D. medullary filtrate E. plasma

Anatomy & Physiology

Bile, which emulsifies fats, is produced by the ________.

A. gallbladder B. liver C. pancreas D. small intestine

Anatomy & Physiology