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Gram Staining

Which of the ...

Question

Which of the following is a gram negative bacterium?

A

Escherichia coli

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B

Bacillus subtilis

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C

Streptomyces coelicolor

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D

Ampycolatopsis orientalis

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Solution

The correct option is A
Escherichia coli

E. coli is a gram negative bacterium.

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Similar questions

Q. Match the following columns showing different classes of antibiotics derived from different microorganisms

Column I (Organism)	Column II (antibiotics)
A. Cephalosporium acremonium	I. Gentamicin
B. Bacillus subtilis	II. Streptomycin
C. Streptomyces griseus	III. Cephalosporin
D. Micromonospora purpurea	IV. Bacitracin

Q. Which of the given statements are correct?
(i) Bacillus subtilis is a Gram(+) bacteria
(ii) Escherichia coli is a Gram (-) bacteria
(iii) Washing of the Gram's stain in Gram (-) bacteria is due to high lipid content of the cell wall, which gets dissolved in organic solvents like acetone

Q. Select the correct option:

Which of the given statements are correct?
(i) Bacillus subtilis is a Gram

(+)

bacteria.
(ii) Escherichia coli is a Gram

(-)

bacteria.
(iii) Washing of the Gram's stain in Gram

(-)

bacteria is due to high lipid content of the cell wall, which gets dissolved in organic solvent like acetone.

Q. Match column I with column II and choose the correct option.

Column I (Antibiotics)	Column II (Source organism)
1. Penicillin	a. Bacillus subtilis
2. Cephalosporin	b. Streptomyces griseus
3. Bacitracin	c. Cephalosporium
4. Gentamicin	d. Penicillium notatum
5. Streptomycin	e. Micromonospora purpurea

Q. Wool industry job risky why. Is it effected by both bacillus Anthrax's and Escherichia coli

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