Which of the following molecules consists of numerous polysaccharides attached to a protein core?
A. Reticulin
B. Proteoglycan
C. Elastin
D. Hyaluronic acid
E. Collagen
Answer: B
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In the visual pathway, each cerebral hemisphere receives visual information from
A) the medial half of the retina from the same and from the opposite side. B) the lateral half on the retina from the same and the opposite side. C) the medial half of the retina on the same side, and from the lateral half of the retina on the opposite side. D) the lateral half of the retina on the same side, and from the medial half of the retina on the opposite side. E) the entire retina from both sides and from the opposite side.
Metal ions such as magnesium or calcium can serve as enzyme ________.
coenzymes ribozymes substrates cofactors
Tumors are most likely inactivated by _____ cells.
A) B B) helper T C) cytotoxic T D) suppressor T
Which of the following is an intrinsic muscle of the hand?
A) Extensor indicis B) Adductor pollicis C) Extensor carpi radialis brevis D) Abductor pollicis longus E) Extensor pollicis longus