CH 7 PreLab Flashcards Preview

BIO 119-352 > CH 7 PreLab > Flashcards

Flashcards in CH 7 PreLab Deck (10):
1

While vegetative cells are metabolically ____, cells in the spore form are metabolically ____.

active; inactive

2

Which is true about an endospore staining of genus Mycobacterium because of their waxy cell walls

mycobacterium are spore negative and stain green

3

Which staining procedure uses heat to drive in the stain

endospore stain

4

Which process is likely to occur when environmental conditions become unfavorable

sporogenesis

5

A heat smear must be performed first for an endospore stain

true

6

The ____ _____ makes use of malachite green and safranin

endospore stain

7

What is the purpose of steaming the stain while applying malachite green?

to allow the malachite green to penetrate more deeply into the thick spore coat

8

The spore is resistant to which of the following extreme environmental conditions?

extreme temperature, radiation, and desiccation

9

In an endospore stain, the bacterial endosperm stains pink and the vegetative cells stain green

false (opposite colors)

10

Members of the genera Bacillus and Clostridium can be identified using the endospore stain

true