The building blocks of proteins are ________.
A. amino acids
B. monosaccharides
C. phospholipids
D. triglycerides
E. eicosanoids
Answer: A
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The force of contraction of skeletal muscle can be increased by:
A. activating additional skeletal muscle fibers within a motor unit B. increasing the frequency of action potentials within a skeletal muscle fiber C. increasing ?-adrenergic stimulation of the skeletal muscle D. increasing myosin light chain phosphorylation in the skeletal muscle E. increasing Ca++ extrusion from the skeletal muscle fiber
The serous fluid within the pericardial cavity works to
A. equalize the pressure in the great vessels. B. lubricate the membranes of the serous pericardium. C. slow the heart rate. D. eliminate blood pressure spikes.
Which of the following sugars is a disaccharide?
A) maltose B) galactose C) fructose D) glucose
This figure shows a palmar view of the hand. What muscle does number 1 indicate?
A. Abductor pollicis brevis B. Flexor digiti minimi brevis C. Opponens pollicis D. Adductor pollicis E. Lumbrical