Which Statement Correctly Explains the Gram Stain Reaction of Archaeal

question 14

Multiple Choice

Which statement correctly explains the Gram stain reaction of archaeal cells?

• A)They are Gram-positive due to the pseudomurein layer in their cell walls.
• B)They are Gram-negative due to the lack of peptdoglycan in their cell walls.
• C)They don't stain - basic dyes used in the Gram stain don't adhere to archaeal cells.
• D)Some are Gram-positive and some are Gram-negative due to the diverse chemical structure.

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Definitions:

Sac

A fluid-filled structure in the body which can enclose or secrete substances, as in cysts or secretory cells.

Hemoptysis

The expectoration (coughing up) of blood or bloody sputum from the lungs or airways.

Spitting

Ejecting saliva forcibly from one's mouth, sometimes as a response to an irritant or infection.

Basophil

A type of white blood cell involved in inflammatory reactions and allergic responses by releasing histamine and other mediators.