A particular bacterial species lacks the enzymes needed to synthesize certain amino acids.Other related species have these enzymes.Which inference about this bacterium is most likely?
A) It has fewer than the typical number of genes involved in translation.
B) It has more than the typical number of genes involved in translation.
C) It lives in the urogenital tracts of mammals.
D) It must obtain these amino acids from the environment.
E) It has plasmids.

Question

Quizplus · Accepted Answer

The fact that this bacterial species lacks the enzymes needed to synthesize certain amino acids implies that it must obtain these amino acids from the environment.

A Particular Bacterial Species Lacks the Enzymes Needed to Synthesize