Physical Chemistry of Macromolecules Quiz

What are macromolecules?

Large molecules assembled from smaller molecules biosynthetically

Which of the following is a naturally occurring macromolecule?

Cellulose

Why do you need to understand the structural features of macromolecules?

To describe their physical and chemical properties

What special problems do macromolecules give rise to?

Investigation and description of their molar masses and shapes Signup and view all the answers

At what different levels does the structure of a macromolecule take on different meanings?

At different levels at which the arrangement of the chain or network of its building blocks is considered Signup and view all the answers

What do you need to know already about macromolecules?

How to describe the structural features of macromolecules Signup and view all the answers

What gives a protein its unique identity?

The variety of amino acids linked together Signup and view all the answers

What type of bond is formed by a condensation reaction between the carboxyl group of one amino acid and the amino group of another amino acid?

Peptide bond Signup and view all the answers

What is the general formula for an α-amino acid?

$RCH(NH_{2})COOH$ Signup and view all the answers

What is the predominant form of an amino acid at near-neutral pH values?

Doubly ionized form Signup and view all the answers

Which type of polymer includes a mixture of two different monomers?

Copolymer Signup and view all the answers

What is formed when a large number of amino acids are linked together by peptide bonds?

Polypeptides Signup and view all the answers

What gives rise to self-assembly in proteins, resulting in their specific shapes?

Nonbonding interactions between molecules Signup and view all the answers

What are proteins composed of?

Up to 22 different types of amino acids Signup and view all the answers

What is the result of the transfer of a proton from the carboxylic acid group to the amine group in an amino acid?

Formation of a zwitterion Signup and view all the answers

What is the unique feature of α-amino acids in terms of the location of the amino group?

Amino group located one carbon atom away from the carboxylic acid group Signup and view all the answers