80% of the lactic acid produced by skeletal muscle is converted to pyruvic acid by the ________
A) liver
B) sarcoplasmic reticulum
C) neuromuscular junction
D) kidneys
E) muscle tissue
D
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The Na+-K+ ATPase transport system that plays a pivotal role in tubular reabsorption is located in the
a. luminal membrane of tubular cells b. basolateral membrane of tubular cells c. podocytes d. glomerular capillary membrane e. basement membrane
Define nerve plexus, and list the major nerve plexuses
A) A nerve plexus is a pair of spinal nerves serving a single dermatome; cervical, brachial, lumbar, and sacral B) A nerve plexus is a collection of all the sensory neurons; cervical, thoracic, lumbar, and sacral C) A nerve plexus is a collection of all the motor neurons; cervical, thoracic, lumbar, and sacral D) A nerve plexus is a bundle of sympathetic nerve fibers; cervical, thoracic, brachial, lumbar, sacral, and coccygeal E) A nerve plexus is a complex, interwoven network of nerves; cervical, brachial, lumbar, and sacral
Which of the following does NOT contribute secretions to seminal fluid?
A. Urinary bladder B. Seminal vesicles C. Bulbourethal glands D. Prostate gland
The type of chemical bond formed when ions with opposite electrical charges
attract is a(n) ________ bond. Fill in the blank(s) with correct word