Which of the Statements Concerning Protein Structure Is NOT True

question 45

Multiple Choice

Which of the statements concerning protein structure is NOT true?

• A)The primary structure of a protein describes the unique sequence of amino acids in the protein chain.
• B)Secondary structure describes the peptide bonds joining the amino acids together in the protein chain.
• C)Tertiary structure describes the overall three dimensional shape of a protein.
• D)Quaternary structure describes the association of two or more polypeptide chains to form one functioning protein unit.
• E)Hydrogen bonding,disulfide bonds,salt bridges,and van der Waals forces are responsible for maintaining the tertiary structure of a protein.

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Definitions:

Organic Reaction

A chemical reaction involving organic compounds, contributing to the formation or breaking of carbon-based chemical bonds.

Cycloaddition

A chemical reaction in which two or more unsaturated molecules (or parts of the same molecule) combine to form a cyclic product.

HOMO/LUMO Interaction

Refers to the interaction between the Highest Occupied Molecular Orbital (HOMO) of one molecule and the Lowest Unoccupied Molecular Orbital (LUMO) of another molecule, important in determining the outcome of chemical reactions.

Cycloocta-1,5-diene

A cycloalkene with eight carbon atoms and two double bonds located at the first and fifth positions.