The streak plate method produces pure cultures by separating individual bacterial cells from one another by _____.
A)dragging them across a solid surface
B)dispersing them in liquid media
C)killing off those cells that are not able to survive in hot agar
D)embedding some cells in the agar so that they are exposed to lower concentrations of oxygen

Question

Quizplus · Accepted Answer

The streak plate method involves spreading bacteria across a solid surface, such as an agar plate, by using an inoculating loop to progressively drag cells across the plate. This separates individual cells from each other, allowing for the growth of distinct colonies that represent pure cultures.

The Streak Plate Method Produces Pure Cultures by Separating Individual