After the Mordant's step in Gram staining, Gram-negative bacteria will appear

A. Brown in color
B. Colorless
C. Green in color
D. Blue/Purple in color
E. Pink/red in color


Ans: D. Blue/Purple in color

Biology & Microbiology

You might also like to view...

Which of the following is not a characteristic of fungi?

a. all are eukaryotic b. all break down food internally c. most are multi-celled d. some form mushroom fruiting bodies e. some are single celled

Biology & Microbiology

Ion channels that can be opened by physiological stimuli are said to be ____

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology

In "type 1 diabetes,"

a. blood glucose levels are too low. b. the body receptors are insensitive to insulin. c. insulin is no longer produced by the pancreas. d. diet modification will control the disease. e. mostly middle-aged persons are affected.

Biology & Microbiology

The functional group -NH2 is called the ________ group.

A) methyl B) alcohol C) amino D) carboxyl

Biology & Microbiology