Which of the Following Is Not a Description of the Secondary

question 164

Multiple Choice

Which of the following is not a description of the secondary structure of a protein?

• A)(  -helix)
• B)(  -pleated sheets)
• C)random coil
• D)sequence of amino acids in the protein
• E)geometric patterns formed by amino acids

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Definitions:

T-butyl Chloride

A compound consisting of a tertiary butyl group attached to a chlorine atom, used in organic synthesis, particularly in nucleophilic substitution reactions.

N-butyl Iodide

An organic compound with the chemical formula CH3(CH2)3I, used in organic synthesis.

Carbocation

A positively charged ion (cation) in which the charge is on a carbon atom, often an intermediate in organic reactions.

Carbanion

An organic ion in which a carbon atom has three bonds and bears a negative charge, often an intermediate in organic reactions.