Multiple choice

Prototrophs are

  1. organisms showing protocooperation

  2. fungal mutants incapable of growing on basal minimal medium

  3. fungal mutants capable of growing on basal minimal medium

  4. organisms having autotrophic mode of nutrition under special conditions
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Prototrophs are organisms (typically microbial strains) that can grow on minimal medium containing only essential nutrients because they can synthesize all required compounds. This contrasts with auxotrophs, which require supplementation.

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