AP Biology Unit 1.5: Protein Structure

Front

What is the initial chain of monomers in a protein called?

Back

Polypeptide

Front

What type of bonding primarily stabilizes the secondary structure of a protein?

Back

Hydrogen bonding between amino and carboxyl groups

Front

What is the term for two or more polypeptides that work together as one unit?

Back

Quaternary Structure

Front

What is the name of the reaction that forms a bond between two amino acids?

Back

Dehydration/Condensation

Front

How many different amino acids are there?

Back

20

Front

What is the primary structure of a protein?

Back

The sequence of amino acids in a polypeptide chain.

Front

What type of bond forms between the amino group of one amino acid and the carboxyl group of another?

Back

Peptide bond

Front

What is the tertiary structure of a protein?

Back

The three-dimensional shape of a polypeptide, determined by interactions among R-groups.

Front

What role do chaperone proteins play in protein structure?

Back

They assist in the proper folding of proteins.

Front

What is denaturation in the context of proteins?

Back

The process where a protein loses its native structure due to external stress, affecting its function.