1. Which genus contains acid-fast bacteria? a. Bacillus b. Staphylococcus c. Streptococcus d. Mycobacterium 2. What component of the cell wall is...

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Biology

1.
Which genus contains acid-fast bacteria?
a. Bacillus
b. Staphylococcus
c. Streptococcus
d. Mycobacterium
2.
What component of the cell wall is responsible for the manner inwhich acid-fast bacteria absorb and
release stain?
a. isoniazid
b. mycolic acid
c. lipopolysaccharide
d. peptidoglycan
3.
In a properly done acid-fast stain, non-acid-fast bacteria willappear what color?
a. purple
b. pink
c. green
d. blue
4. Which disease is caused by members of the genusMycobacterium?
a. cholera
b. diabetes
c. leprosy
d. tetanus
5. An acid-fast stain is an example of a
a. simple stain.
b. negative stain.
c. structural stain.
d. differential stain.
6. Define the following term using the laboratory exercise orglossary:
Differential stain:
7.List each of the reagents used in an acid-fast stain, alongwith its purpose in the staining process.
8.Why is an acid-fast stain used so much less frequently than aGram stain?

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3.6 Ratings (284 Votes)

1 Mycobacterium Acidfast bacteria are grampositive but in addition to peptidoglycan the outer membrane or envelope of the acidfast cell wall of contains large amounts of glycolipids especially mycolic acids that in the genus Mycobacterium make up See Answer

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