Clear area on agar that surrounds a filter paper disk on the disk diffusion tests and represents inhibited growth of a test microorganism is called:
A) minimum inhibitory concentration
B) minimum bactericidal concentration
C) zone of inhibition
D) serum killing power
Ans: C) zone of inhibition
Biology & Microbiology
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The latent form of a bacteriophage genome that exists when a phage establishes lysogeny is called a ________.
A. lysogen B. viroid C. prophage D. prion
Biology & Microbiology
Tree rings are formed by growth in the ________
a. epidermis b. vascular cambium c. periderm d. cortex
Biology & Microbiology
Which of the following habitats is most likely
to be rich in fossils? a. eroding hillsides b. deserts c. polar ice caps d. shallow seas e. rocky plateau
Biology & Microbiology
Which nutrient molecule CANNOT be used in the oxidative pathways?
a. fatty acids b. protein c. glucose d. cholesterol
Biology & Microbiology