A facultative anaerobe can perform both aerobic and anaerobic respiration?
a. true
b. false
Answer: a. true
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Refer to the graph above. If the myelin fibers were stripped from this membrane, you would expect the action potential cycle to go
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A) much faster than depicted in the graph.
B) much faster than normal but not peak at 30 mV.
C) slower than depicted in the graph.
D) much slower than normal but peak much higher than 30 mV.
E) none of the above
Aminoglycoside antibiotics ________.
A. inhibit cell wall synthesis B. inhibit folic acid biosynthesis C. bind to bacterial DNA polymerase D. bind to the 30S ribosomal subunit
What initiates the extrinsic clotting mechanism?
a. activation of thrombin b. release of substances outside of the blood c. aspirin d. conversion fibrinogen to fibrin e. activation of factor X
Which fungal phylum includes members that are also called club fungi?
a. Chytridiomycota b. Basidiomycota c. Glomeromycota d. Zygomycota