Substances That Are Naturally Produced by Certain Microorganisms That Can

question 75

Multiple Choice

Substances that are naturally produced by certain microorganisms that can inhibit or destroy bacteria are called ______.

• A)semisynthetic drugs
• B)broad-spectrum drugs
• C)antibiotics
• D)synthetic drugs
• E)narrow-spectrum drugs

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Definitions:

Double-Stranded DNA

The structure of DNA consisting of two strands coiling around each other, forming a double helix.

Minimal Media

A type of growth medium containing only the minimal necessities for the growth of wild-type microorganisms (such as bacteria).

Complete Medium

A culture medium that contains all the nutrients needed for the growth and proliferation of a wide range of microorganisms.

Mutant Strains

Variants of organisms, typically microorganisms, that have undergone mutations distinguishing them from the parent strain.