Most of the nitrogen in the environment is in the form of nitrogen gas, which is the form used by most organisms
Indicate whether the statement is true or false
FALSE
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Which of the following are potentially pathogenic to humans?
a. Archaea b. Bacteria c. Archaea and Bacteria d. Cyanobacteria e. Methanogens
A bird that migrates to Canada during the summer and to the tropics in winter would be expected to have which type of muscle fiber dominating its "breast" meat (the pectoralis muscle that is used in flight)?
a. slow-twitch b. fast-twitch c. muscle that utilizes the glycolytic energy system d. smooth e. muscle that uses the immediate energy system
The chemical arrangement in the figure below is on the end of a long molecule of a(n)
A. steroid.
B. fatty acid.
C. carbohydrate.
D. unsaturated fat.
Who originally discovered the process of bacterial transformation?
A. Watson and Crick B. Chargaff C. Griffith D. Meselson and Stahl E. Hershey and Chase