A(n) ________ medium encourages the growth of some organisms and restricts the growth of others.
A. differential
B. selective
C. enrichment
D. supportive
Answer: B
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Which of the following is one of the primary branches of the right coronary artery and supplies blood to the walls of the right atrium and the right ventricle?
A. Circumflex artery B. Posterior descending artery C. Left anterior descending artery D. Marginal artery
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When the nerve terminal is stimulated by nerve impulses, ____ is released into the synaptic cleft.
A. acetylcholine B. calcium C. succinylcholine D. PCHE
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