Eccrine sweat glands
A) usually are associated with hair follicles.
B) are most common in the armpits and groin.
C) respond primarily to emotional stress.
D) respond primarily to elevated body temperature.
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Question 2) A DNA sequence AACGGTGCACCACGG encodes a portion of a protein of sequence
A) arg-pro-ala-gly-ile. B) ala-gly-arg-pro-leu.
C) ile-gly-ala-pro-arg. D) leu-pro-arg-gly-ala.
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Question 3) The two types of cells of the nervous system are
A) neurons and neuroglia. B) axons and dendrites.
C) Schwann cells and microglia. D) motor neurons and sensory neurons.
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Question 4) White blood cells may become macrophages.
Indicate whether the statement is true or false
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Question 5) Kidneys are part of the lymphatic system.
Indicate whether the statement is true or false
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Question 6) Red bone marrow functions in the formation of
A) red blood cells only.
B) white blood cells only.
C) red and white blood cells only.
D) red blood cells, white blood cells, and platelets.
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Question 7) Chemistry is the study of the composition of matter and how matter changes.
Indicate whether the statement is true or false
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Question 8) Exercise ______ and _______ bones.
A) elongates; weakens B) thickens; elongates
C) thickens; strengthens D) thins; atrophies
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Question 9) A DNA sequence AACGGTGCACCACGG encodes an mRNA of sequence
A) UUGCCACGUGGUGCC. B) UUCGGAGCUCCUCGG.
C) AACGGTGCACCACGG. D) AACGGUGCACCACGG.
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Question 10) The cytoplasmic extensions that, together with the cell body, provide the main receptive
surfaces for neurons are
A) axons.
B) chromatophilic substance (Nissl bodies).
C) dendrites.
D) neurofibrils.
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