The ʹRuleʺ Formulated by Chargaff States That

question 9

Multiple Choice

The ʹruleʺ formulated by Chargaff states that

• A) A = G and C = T in any molecule of DNA.
• B) A = T and G = C in any molecule of DNA.
• C) A = U and G = C in any molecule of RNA.
• D) A = C and G = T in any molecule of DNA.
• E) DNA and RNA are made up of the same four nitrogenous bases.

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Definitions:

Culture Media

Nutrient-rich substances used in laboratories to grow and maintain microorganisms, cells, or plant tissues under controlled conditions.

Gram Positive

Refers to bacteria that retain the crystal violet stain used in Gram's method of staining, indicating a thick peptidoglycan cell wall.

Gram Staining

A laboratory technique used to classify bacteria into two groups (Gram-positive and Gram-negative) based on the biochemical properties of their cell walls.

Microorganisms

Microscopic entities, including bacteria and viruses, that may cause infectious diseases but also play essential roles in ecosystems.