Which of the Following Nitrogen Bases Is Found in RNA

question 7

Multiple Choice

Which of the following nitrogen bases is found in RNA but not DNA?

• A)cytosine
• B)adenine
• C)thymine
• D)uracil
• E)guanine

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Definitions:

Racemic Mixture

A mixture containing equal amounts of left- and right-handed enantiomers of a chiral molecule, making it optically inactive.

Enantiomer

One of a pair of molecules that are mirror images of each other and cannot be superimposed, often possessing different biological activities.

Polarimetry Tube

A laboratory device used to measure the rotation of polarized light as it passes through optically active substances.

Specific Rotation

A physical property of chiral compounds, describing the direction and magnitude of rotation of plane-polarized light by a substance.