Which one of the following would not increase the rate of a reaction?
A. An increase in reactant concentrations
B. A rise in temperature
C. A decrease in reactant concentrations
D. The presence of an enzyme
E. The presence of a catalyst
Answer: C
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Before nitric oxide was identified, its action was observed in ________ and it was given the name ________.
Fill in the blank(s) with the appropriate word(s).
Large arteries that tend to branch after a short distance are called
A) metarteries. B) muscular arteries. C) anastomoses. D) trunks. E) None of the answers are correct.
What is virulence?
a. The disease-producing power of a pathogen b. The toxicity of a virus c. The strength of a microorganism d. The number of pathogens in the body e. The deadliness of a toxin
Consider the following five terms and determine which does not belong
A. medulla oblongata B. pons C. cardiac center D. pyramids E. olives