A diet that provides ample carbohydrate ensures an adequate supply of ________ .
a. oxaloacetate
b. fatty acids
c. amino acids
d. nitrogen
e. B vitamins
Answer: a. oxaloacetate
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In the intestinal tract, Entamoeba histolytica
A. lives as a commensal in the lumen of the intestine. B. can invade the host tissue. C. can undergo excystation in the small intestine. D. All of the choices are correct.
Which statement best describes the difference between cell division in plant and animal cells?
a. In animal cells but not plant cells, cytokinesis is accomplished by formation of a cleavage furrow. b. In plant cells but not animal cells, cytokinesis is accomplished by formation of a cleavage furrow. c. In plant cells, centrosomes have an important role in spindle formation, while in animal cells centrosomes do not function during cell division. d. In animal cells, replication of chromosomes occurs during interphase, while in plant cells replication occurs when the nuclear envelope disintegrates. e. Animal cells divide via the cell cycle whereas plant cells divide by binary fission.
Elements such as iodine, chlorine, and bromine are examples of (oxidizers/halogens/metals), which are the basis for many effective antimicrobial agents
What will be an ideal response?
Infection of the respiratory system by ________ may develop into symptoms of a common cold.
A. adenoviruses B. cytomegaloviruses C. papillomaviruses D. polyomaviruses E. parvoviruses