A common oxidizing agent used to couple chemical reactions in cells is ________.

riboflavin
niacin
NADH
FAD


FAD

Anatomy & Physiology

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Muscle fatigue arises primarily from failure in

A) neuromuscular transmission. B) signal relay from brain to spinal cord. C) initiation of contraction by the motor cortex. D) calcium pumps in the skeletal muscles. E) excitation-contraction coupling.

Anatomy & Physiology

An ELISA test may measure the amount of antigen or antibody in the blood

Indicate whether the statement is true or false

Anatomy & Physiology

Natural analgesia occurs

a. when endogenous opiates bind to P-substance. b. when endogenous opiates bind to receptors on afferent pain fibers. c. when acute pain fibers are activated d. both (a) and (b) above. e. both (b) and (c) above.

Anatomy & Physiology

The rate of gastric emptying depends entirely on the volume and fluidity of gastric contents

Indicate whether the statement is true or false

Anatomy & Physiology