What do Alzheimer's, Parkinson's, and mad cow disease have in common?

Enzyme molecules require a specific shape to perform their catalytic function. Which of the following might alter the shape of an enzymatic protein?

The peptide bond is __________.

The α helix and β pleated sheet represent which level of protein structure?

Protein molecules are polymers (chains) of __________.

The "primary structure" of a protein refers to __________.

What two functional groups are bound to the central carbon of every free amino acid monomer?a. an R-group and a hydroxyl groupb. an N—H group and a ═(C═O) groupc. an amino group and a hydroxyl groupd. an amino group and a carboxyl group

What type of bond is directly involved in the formation of an α-helix?a. peptide bonds between amino acid residuesb. hydrogen bonds between amino acid residuesc. van der Waals interactions between nonpolar residuesd. disulfide bonds between cysteine residues

What type of information is used to direct different polypeptides to fold into different shapes?