A Selective Growth Medium

question 67

Multiple Choice

A selective growth medium

• A) allows only certain bacteria to grow.
• B) allows all bacteria to grow.
• C) allows no bacteria to grow.
• D) accentuates differences between the growing bacteria.
• E) is cultured anaerobically.

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Definitions:

Prokaryotes

Single-celled organisms without a nucleus, including bacteria and archaea, characterized by the absence of membrane-bound organelles.

Element

A substance consisting of atoms with the same number of protons in their nuclei, representing the simplest form of chemical substances.

Isotopes

Variants of a particular chemical element that have the same number of protons but different numbers of neutrons in their nuclei.