Question

When two or more polypeptide chains come together to give a protein its ultimate shape, that structure is described as the _________ structure. heme group secondary tertiary quaternary micro-?

Answer 1

Quaternary. If multiple polypeptides come together, that is the quaternary structure.

Answer 2

Quaternary structure will be formed from two or more polypeptide chains.

• Each of the subunits has its own primary, secondary, and tertiary structure.
• The subunits are held together by hydrogen bonds and van der Waals forces between nonpolar side chains.

What is proteins?

• Proteins are large, complex molecules that play many critical roles in the body.
• They do most of the work in cells and are required for the structure, function, and regulation of the body's tissues and organs.
• Proteins are large biomolecules and macromolecules that comprise one or more long chains of amino acid residues.

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