Which of the following techniques amplifies a specific region of DNA?
A) Gel electrophoresis B) DNA profiles
C) PCR D) The use of DNA probes
C
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A halotolerant facultative anaerobic bacterium would grow BEST in a ________ environment
A) oxygen depleted saline B) oxygenated saline C) oxygen depleted non-saline D) oxygenated non-saline
Coated vesicles known as ________ are thought to potentially be associated with cholesterol uptake and/or have a role in signal transduction.
Fill in the blank(s) with the appropriate word(s).
All laboratory and health care personnel are required to practice safety and utilize specific controls for the management and handling of infectious or potentially infectious materials. This is considered:
a. Exposure plan. b. Standard Precautions. c. Biosafety controls. d. Isolation.
Which of the following statements concerning the characteristics of life is FALSE?
A. reproduction is defined as an increase in the size of an organism. B. viruses have some, but not all, of the characteristics of living things. C. organisms may not exhibit all of the characteristics of life at all times. D. reproduction can occur asexually or sexually in living things. E. living things store metabolic energy in the form of chemicals such as ATP.