Most antibiotics are bactericidal at low concentrations

Indicate whether the statement is true or false


False

Biology & Microbiology

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In a solution at pH 7.0, a polymer of lysine (polylysine) is a random coil with no secondary structure. In order for it to possibly assume an ?-helix structure, the pH of the solution must be:

A. 4 B 6 C. 8 D. 10 E. 12

Biology & Microbiology

Unsaturated fats ____

a. are solid at room temperature b. have at least one double bond in their fatty acid tail c. are saturated with hydrogen atoms d. mainly come from animals e. consist of straight chain fatty acids

Biology & Microbiology

Which of the following is a member of the domain archaea?

a. proteobacteria b. gram positive bacteria c. methanogen d. spirochetes e. chlamydias

Biology & Microbiology

An example of community is 

A. this class. B. the various kinds of plants, animals, and bacteria in a vacant lot. C. bees in a hive. D. the water, soil, and air in a farmer's field.

Biology & Microbiology