In performing a Ziehl-Neelsen's staining techniques, the decolorization reagent is

A. A mixture of acetone and ether
B. A mixture of different alcohols
C. A mixture of acetone and alcohol
D. A mixture of acid and alcohol
E. none of the above


Ans: D. A mixture of acid and alcohol

Biology & Microbiology

You might also like to view...

List four lines of evidence that support a link between cancer and genetics. Describe the ultimate cause of cancer and how an individual's life-style might reduce the chances of developing cancer

What will be an ideal response?

Biology & Microbiology

Identify the hydrogen ion concentration that represents the lowest pH from the following list:a

1 ? 10?3 b. 1 ? 10?4 c. 1 ? 10?7 d. 1 ? 10?11 e. 1 ? 10?14

Biology & Microbiology

Which of the following are the likely pollinators of a red flower with very little odour?

a. bats b. butterflies c. birds d. flies

Biology & Microbiology

Natural selection is best described as

A) increasing the perfection of a species. B) working on the existing variation of traits to favor those better suited to the organism's environment. C) causing the death of a significant proportion of the population. D) the ability to generate new traits that better suit the species. E) driving the species toward an eventual endpoint in which the species possesses the best possible adaptations for that particular environment.

Biology & Microbiology