E-PolyLearning

Welcome to the largest collection of MCQs on the Internet. Access and Discuss these Multiple choice questions for various competitive Exams and Interviews.
206. Which of the following is not true about secondary protein structure?
a. The hydrophilic/hydrophobic character of amino acid residues is important to secondary structure.
b. The ability of peptide bonds to form intramolecular hydrogen bonds is important to secondary structure.
c. The alpha helix, beta pleated sheet and beta turns are examples of protein secondary structure.
d. The steric influence of amino acid residues is important to secondary structure.
View Answer Report Discuss 50-50!
Answer: (a).The hydrophilic/hydrophobic character of amino acid residues is important to secondary structure.

207. A structure that has hydrogen bonds between polypeptide chains arranged side by side is
a. Primary structure
b. α-helix
c. β-pleated sheets
d. Tertiary structure
View Answer Report Discuss 50-50!
Answer: (c).β-pleated sheets

208. Which of the following are important for white blood cell recognition?
a. Glycosamineglycans
b. Proteoglycans
c. Gycoproteins
d. Glycolipids
View Answer Report Discuss 50-50!
Answer: (c).Gycoproteins