Who discovered penicillin?
A. Fleming
B. Ehrlich
C. Kitasato
D. Pasteur
E. Domagk
Answer: A
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The reaction diagrammed to the right (more than once answer may apply):
A. is the final reaction of glycolysis. B. is one possible pathway in the fermentation of pyruvate. C. shows synthesis of the substrate that enters the citric acid cycle. D. occurs in the cytosol. E. occurs in the mitochondrial matrix. F. occurs twice for each glucose oxidized.
Modifications of previous behavior based on experience represent
A. learning. B. fixed actions. C. external stimuli. D. adaptations.
An isotonic solution has a solute concentration ____ the solute concentration inside the cell
a. equal to b. greater than c. less than d. that depends on e. that alters
During the process of photosynthesis energy from the sun is converted into
a .chemical energy in the bonds of inorganic molecules b. chemical energy in the bonds of organic molecules c. enzymes used to produce inorganic molecules d. enzymes used to produce organic molecules