Proteins Quiz

Which monomers are proteins made from?

• amino acids

• fatty acids

• fructose

• glucose

Dipeptides and polypeptides are formed in which type of reaction?

• condensation reaction

• decomposition reaction

• displacement reaction

• hydrolysis reaction

What type of bond is formed between two amino acids?

• ester bond

• glycosidic bond

• phosphodiester bond

• peptide bond

Which group is different in each of the 20 amino acids?

• amine group

• carboxyl group

• side (R) group

• phosphate group

Which type of bond is responsible for forming beta pleated sheets?

• covalent bond

• hydrogen bond

• ionic bond

• metallic bond

In which of the following situations would a disulfide bridge form?

• in a polypeptide chain with two adenine amino acids close together

• in a polypeptide chain with two cysteine amino acids close together

• in a polypeptide chain with two guanine amino acids close together

• in a polypeptide chain with two thymine amino acids close together

A disulfide bridge is an example of a...?

• covalent bond

• hydrogen bond

• ionic bond

• metallic bond

Which type of bond is the weakest?

• disulfide bridge

• hydrogen bond

• ionic bond

• metallic bond

Which of the following is not present in all proteins?

• primary structure

• secondary structure

• tertiary structure

• quaternary structure

Which of the following are made from four polypeptide chains: two light (short) chains and two heavy (long) chains?

• antibodies

• enzymes

• structural proteins

• transport proteins