Winogradsky columns are used primarily for enrichment of
A) aerobic cultures, although occasionally anaerobes do appear.
B) anaerobic cultures, although occasionally aerobes do appear.
C) aerobes, anaerobes, and phototrophs.
D) phototrophs, although occasionally heterotrophs do appear.

Question

Quizplus · Accepted Answer

Winogradsky columns are designed to create a gradient of oxygen and nutrients, which allows for the enrichment of a diverse range of microorganisms including aerobes, anaerobes, and phototrophs. This diversity can be seen as different layers within the column with varying colors, textures, and smells. Therefore, option C is the best choice as it includes all the possible enrichments.

Winogradsky Columns Are Used Primarily for Enrichment of