Microbiology

Microbiology Study Guide

86. Which antimicrobial drug has the broadest spectrum of activity? a. Penicillin b. Cephalosporin c. Chloramphenicol d. Tetracycline 87. In a cell, how do substances move from regions of higher concentration to regions of lower concentration? a. By active transport b. By extracellular enzymes c. By osmosis d. By simple diffusion 88. The function of the “ciliary escalator” is to __________________. a. Remove microorganisms from the digestive tract b. Remove microorganisms from the lower respiratory tract c. Remove microorganisms from the blood d. B and C only 89. Saccharomyces cerevisiae is an example of a eukaryote used in genetic engineering. a. True b. False 90. How do white blood cells migrate to infected tissue areas? a. Lymphocytes à Macrophages b. Macrophages à Monocytes c. Neutrophils à Monocytes d. Neutrophils à Macrophages 91. How many molecules of ATP can be generated from the complete oxidation of glucose to CO2 and H2O? a.

2 b. 4 c. 36 d. 38

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