Most important biochemical reactions in an animal's body are catalyzed by enzymes. For each increase in temperature of 10oC, the rate of enzyme-catalyzed reactions
A. does not change.
B. slows down by approximately 90%.
C. slows down by approximately 50%.
D. increases in rate approximately 2-3 fold.
E. increases in rate by approximately 10 fold.
D. increases in rate approximately 2-3 fold.
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The most commonly isolated mycobacterium in the United States is:
a. M. tuberculosis. b. M. bovis. c. Mycobacterium avium-intracellulare. d. Mycobacterium paratuberculosis.
At what point in this action potential diagram are Na+ inactivation gates opening and K+ activation
gates closing?
a. A b. B c. C d. D e. E
Which of the following is a function of the large intestine?
A. absorption of water B. production of amylase to break down starches C. absorption of amino acids D. storage of excess bile salts E. secretion of insulin
How is life defined?
A) The only requirement for life is the ability to reproduce. B) Life is defined through a set of shared characteristics that all living things display. C) A living thing must be able to move. D) Life is determined by neural activity.