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• 3. All are true statements about L-isoleucine EXCEPT:(A) Its enantiomer is named D-isoleucine.(B) L-
• 4. Which statement is INCORRECT about these amino acids, and amino acid derivatives?(A) GABA (y-amin
• 5. Homologous proteins such as hemoglobin from different organisms do NOT:(A) have nearly identical
• 6. All of the statements about the peptide val-asp-trp-asn-ser are correct EXCEPT:(A) This peptide w
• 7. All of the information necessary for folding the peptide chain into its "native" struct
• 8. Secondary and higher orders of structure are determined by all EXCEPT:(A) hydrophobic interaction
• 9. Aβ-barrel would most likely be composed of___________. (A) parallel β-sheets connected by regions
• 10. All of the statements about the tertiary structure of the enzyme triose phosphate isomerase arec
• 11. All of the following statements about the nature of glycogen are true EXCEPT:(A) It is a polysac
• 12. Cellulase is considered a___________. (A) α-(1→4) glucosidase(B) β-(1→4)glucosidase(C) α-(1→6) g
• 13. Steroid hormones include all of the following EXCEPT:(A) dolichol.(B) progesterone.(C) cortisol.
• 14. Which of the following enzymes is responsible for the release of arachidonic acid from membranep
• 15. Which of the following would be the most likely interaction between a peripheral membrane protei
• 16. The two major phospholipids on the outer leaflet of erythrocytes are:(A) phosphatidylcholine and
• 17. Glycophorin is a membrane protein with:(A) multiple transmembrane segments.(B) most of the mass
• 18. Which of the following is true regarding membrane function?(A) a caveola contains a very high co
• 19. All are important functional groups participating in H-bond formation EXCEPT:(A) amino group of
• 20. All of the following are examples of nucleotide functions EXCEPT:(A) CTP in phospholipid synthes
• 21. In phosphoryI group transfer reactions, the__________ of the nucleotide serves as aninformation
• 22. All of the following are true for tRNA EXCEPT:(A) each amino acid in proteins has at least one u
• 23. DNA double helix structure is stabilized by all of the following EXCEPT:(A) the sugar-phosphate
• 24. Urea and formamide are agents that denature dsDNA by(A) intercalating between base pairs and dis
• 25. In the Southern hybridization procedure, the gel after electrophoresis is treated with NaOH and
• 26. All are true for cDNA libraries EXCEPT:(A) reverse transcriptase synthesizes a DNA strand comple
• 27. An enzyme's specificity can be due to:(A) the ratio of catalyzed rate to the uncatalyzed ra