Sodium and potassium are minerals that are important in
A) muscle contraction and nerve impulse conduction.
B) the replication of DNA.
C) the development of strong bones and teeth.
D) the production of hemoglobin.
E) blood clotting.
A
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A period of geographic isolation always results in the evolution of reproductive isolation
a. true b. false
When glucose is used as the energy source, the largest amount of ATP is produced in ____.
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Which of the following antibiotics is recommended for use against gram-negative bacteria?
A) polyenes B) bacitracin C) cephalosporin D) penicillin E) polymyxin