Gram staining is a type of stain used to dye bacteria. It distinguishes between

Question

Gram staining is a type of stain used to dye bacteria. It distinguishes between bacteria based on the thickness of the cell wall.

T/F

In the diffusion experiment, a negative control was necessary to inform the investigator what color should appear when the substance is absent.

True

False

What is the difference between a monocular microscope and a binocular microscope?

Monocular microscopes only have an ocular lens, while binocular microscopes have an ocular and an objective lens.

Monocular microscopes only have an objective lens, while binocular microscopes have an ocular and an objective lens.

Monocular microscopes only have one ocular lens, while binocular microscopes have two ocular lenses.

Monocular microscopes only have one objective lens, while binocular microscopes have two objective lenses.

Monocular microscopes only have an ocular lens, while binocular microscopes have an ocular and an objective lens.

Monocular microscopes only have an objective lens, while binocular microscopes have an ocular and an objective lens.

Monocular microscopes only have one ocular lens, while binocular microscopes have two ocular lenses.

Monocular microscopes only have one objective lens, while binocular microscopes have two objective lenses.

Explanation / Answer

False. Gram's staining is a type of differential staining method, in which it differentiate the bacteria into Gram Positive and Gram Negative based on their cell wall composition but not thick ness

True: the diffusion experiment, a negative control was necessary

Answer is "Monocular microscopes only have one ocular lens, while binocular microscopes have two ocular lenses."

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