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grigory [225]
3 years ago
7

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

Biology
1 answer:
natima [27]3 years ago
8 0

The correct answer is a. Complex

A complex or undefined medium is rich in nutrients, which contain water-soluble extracts of plant or animal tissue, a sugar, (often glucose is added to serve as the main carbon and energy source). The combination of extracts and sugar creates a medium which is rich in minerals and organic nutrients, but the exact composition is unknown.

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