Agar is an Important Component of Media Because _______

Question

Agar is an important component of media because _______.
A) agar provides a solid surface for bacterial growth
B) agar prevents contamination
C) agar inhibits mold growth
D) bacteria require agar as a source of carbon

Accepted Answer

Agar is primarily used in culture media to provide a solid surface on which bacteria can grow. It is a gelatinous substance that solidifies the media, allowing for the isolation and cultivation of microorganisms. Agar itself does not prevent contamination, inhibit mold growth, or serve as a carbon source for bacteria.