The following results were obtained from a disk-diffusion test for microbial susceptibility to antibiotics. Staphylococcus aureus was the test organism. Antibiotic Zone of Inhibition

A 3 mm
B 7 mm
C 0 mm
D 10 mm

In Table 20.2, the most effective antibiotic (against Staphylococcus aureus) tested was
A) A.
B) B.
C) C.
D) D.
E) Can't tell.


D) D.

Biology & Microbiology

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Most conifers have separate male and female reproductive parts on the same tree. This condition is

referred to as: a. deciduous. b. dioecious. c. monoecious. d. homosporous. e. heterosporous

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Johann Miescher worked with __________ cells

a. sperm b. red blood c. nerve d. muscle e. none of these

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What therapy aims to disrupt aspects of the normal cell cycle?

a. monoclonal antibody therapy b. chemotherapy c. radiation therapy d. surgery e. adjuvant therapy

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A tumor that is classified as malignant is described as:

A. a disorganized mass that is not encapsulated and can invade nearby organs. B. a slow-growing, organized mass of encapsulated cells. C. usually confined to the skin. D. an area of swelling that shows no abnormal growth of cells.

Biology & Microbiology