B. Streak Plate Technique

Question 1

This technique is used for purposes such as evaluating the purity of a bacterial culture, examining species diversity, separating species from mixed cultures, and studying colony characteristics.

Answer 1

Streak plate technique

Question 2

A bacterial growth on solid medium that originated from a single cell.

Answer 2

A colony

Question 3

What is Step 1 of the streak plate technique?

Answer 3

Step 1 involves applying the sample as a small oval-shaped spot on the plate.

Question 4

What is Step 2 of the streak plate technique?

Answer 4

Step 2 involves spreading the cells as a series of streaks from the spot on the agar surface.

Question 5

What is Step 3 of the streak plate technique?

Answer 5

Step 3 involves rotating the plate and dragging out a second series of streaks on the plate.

Question 6

What is Step 4 of the streak plate technique?

Answer 6

Step 4 involves repeating Step 3 to produce a series of streaks that cover the agar surface.