__________ are the main components of cell
membranes.
a. Triglycerides
b. Phospholipids
c. Unsaturated fats
d. Steroids
e. Fatty acids
Answer: b
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Which of the following E. coli polymerases functions in the replication of the chromosome?
A. DNA Pol I B. DNA Pol II C. DNA Pol III D. DNA Pol IV E. both DNA Pol II and Pol IV
Match the following items with the correct phrases.
_______1. A decreased number of white blood cells in the peripheral bloodstream. _______2. Increase in the diameter of blood vessels; an initial event in inflammation. _______3. An increased number of white blood cells in the peripheral bloodstream. _______4. Considered to be the first phase of phagocytosis; the means by which phagocytic cells are attracted to sites where they are needed. a. chemotaxis b. leukocidin c. leukocytosis d. leukopenia e. vasodilation
A visiting scientist is introduced to you, and has a current project studying initiation, elongation, and termination. As a result, you know she is studying
A. replication. B. replication and translation. C. translation. D. either transcription or translation. E. transcription.
In plant cells, cytokinesis is accomplished by the formation of a(n)
a. aster. b. membrane furrow. c. equatorial plate. d. cell plate. e. spindle.