Organisms that grow very slowly, cannot be cultured, are present in very small numbers, or are mixed with a number of other bacteria may still be identified using
A) Southern blotting.
B) replica plating.
C) PCR.
D) the Ames test.
E) positive selection.

Question

Quizplus · Accepted Answer

PCR can amplify and detect even very small amounts of DNA, making it a valuable tool for identifying organisms that are difficult to culture or present in low numbers.

Organisms That Grow Very Slowly, Cannot Be Cultured, Are Present