Which of the following factors influences the efficiency of an antimicrobial agent?

A) Contact time
B) Concentration of the antimicrobial agent
C) Composition of the microbial population
D) All of the above


Answer: D) All of the above

Biology & Microbiology

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You are talking to a 54-year-old patient who has joint pain. As the attending physician, you order a scan to look at the cartilage in the patient's painful joints because you suspect that cartilage has worn away, leading to

A. acromegaly. B. rheumatoid arthritis. C. scoliosis. D. osteoporosis. E. osteoarthritis.

Biology & Microbiology

The process by which a cell takes in a small amount of extracellular fluid and its contents by the ballooning inward of

the plasma membrane is the definition of ____.

a. endocytosis b. exocytosis c. phagocytosis d. passive transport e. osmosis

Biology & Microbiology

The scissors in the figure represent

a. restriction enzymes. b. reverse transcriptases. c. DNA polymerases. d. RNA polymerases. e. DNA ligases.

Biology & Microbiology

During which step of aerobic respiration is oxygen used?

A) Glycolysis B) Conversion of pyruvate to acetyl CoA C) Fermentation D) Krebs cycle E) Electron transport chain (ETC)

Biology & Microbiology