Organisms that have lost the ability to synthesize a particular enzyme and which require certain nutrients to be added to their medium to maintain growth are termed:
A)phototrophs
B)auxotrophs
C)prototrophs
D)autotrophs

Question

Quizplus · Accepted Answer

Auxotrophs have lost the ability to synthesize a particular enzyme or nutrient and require it to be added to their medium to maintain growth. Phototrophs obtain energy from light, prototrophs can synthesize all essential nutrients, and autotrophs can synthesize their own organic compounds from inorganic sources. Therefore, options A, C, and D are incorrect.

Organisms That Have Lost the Ability to Synthesize a Particular