Thyroid hormone increases target-cell responsiveness to catecholamines, such as:
a. tyrosine and lysine
b. monoiodotyrosine and di-iodotyrosine
c. epinephrine and norepinephrine
d. FSH and LH
e. serotonin and dopamine
c
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Which statement about tissues is correct?
A) Tissues are always in the form of sheets of cells. B) All the organs of an organ system are composed of a single tissue type. C) A tissue is composed of a single type of cell. D) An organ combines several different tissues. E) Tissues are microscopic, and invisible to the naked eye.
A sample of tissue from an injury shows a large number of basophils. This would indicate that the tissue was ________.
A) abscessed. B) being rejected. C) inflamed. D) infected by viruses. E) infected by multicellular parasites.
In general, freshwater teleosts lay adhesive eggs that remain in one place until they hatch, whereas marine teleosts release free-floating eggs that are carried away by water currents
(There are exceptions to that generalization in both freshwater and marine forms.) What can you infer about differences in the biology of newly hatched freshwater and marine teleosts on the basis of that difference in their reproduction?
The correct sequence of layers of a typical blood vessel, from superficial to deep, are ________
A) tunica media, tunica intima, tunica externa B) tunica media, tunica externa, tunica intima C) tunica externa, tunica media, tunica intima D) tunica externa, tunica intima, tunica media E) tunica intima, tunica media, tunica externa