During the inflammatory response, dilation of blood vessels is caused by
A. nitric oxide.
B. histamine.
C. cytokines.
D. phagocytes.
E. both histamine and nitric oxide.
E. both histamine and nitric oxide.
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Psychrotolerant microorganisms can survive and grow at
A) refrigeration temperatures. B) boiling temperatures. C) extreme fluctuations in water availability. D) high salt or sugar concentrations.
If an enzyme is saturated, this means that
a. the enzymes cannot continue to catalyze the reaction. b. the reaction is at equilibrium. c. the rate of the reaction will slow and the reaction will stop. d. the enzymes need more reactants. e. the enzymes are catalyzing the reaction at the maximum rate.
A challenge with scientific breakthroughs is that they are rarely accompanied by ________
a. the desire to continue researching them b. the discovery of the tools to study them c. the people interested in them d. the legislation necessary to support them e. the funding to continue the research
Which of the following matches enzyme components with their correct definition and/or function?
a. Coenzymes are the organic cofactors important to enzyme activity. b. Apoenzymes are the non-protein component of an enzyme. c. Apoenzymes are typically inorganic molecules, such as iron, zinc, or magnesium. d. Cofactors are the protein components of enzymes.