A nutrient medium that contains at least one ingredient that is NOT chemically definable would be termed ________.

Question

Quizplus · Accepted Answer

A complex medium contains at least one ingredient that is not chemically definable, such as yeast extract or beef extract. Reducing and enriched media have specific additives (usually reducing agents or additional nutrients, respectively) but all ingredients can be chemically defined. Synthetic and minimal media have specifically defined ingredients and lack any undefined components.

A Nutrient Medium That Contains at Least One Ingredient That