1. Biochemistry Review SBI 4UI Mrs. Tuma

2. 1. Which of the following are structural isomers of each other? (a) maltose and glucose (b) sucrose and glucose (c) dextrose and lactose (d) glucose and fructose

3. 1. Which of the following are structural isomers of each other? (a) maltose and glucose (b) sucrose and glucose (c) dextrose and lactose (d) glucose and fructose

4. 2. Which of the following functional groups is represented here? (a) ester (b) amine (c) amide (d) ketone

5. 2. Which of the following functional groups is represented here? (a) ester (b) amine (c) amide (d) ketone

6. 3. What type of macromolecule includes NH 2 groups? (a) fatty acids (b) glycogen (c) proteins (d) nucleic acids

7. 3. What type of macromolecule includes NH 2 groups? (a) fatty acids (b) glycogen (c) proteins (d) nucleic acids

8. 4. Animals store glucose in the form of… (a) glycogen (b) starch (c) cellulose (d) chitin

9. 4. Animals store glucose in the form of… (a) glycogen (b) starch (c) cellulose (d) chitin

10. 5. What level of structure is present in proteins that have a globular structure which includes irregular folding, based on the side-chain interactions? (a) primary (b) secondary (c) tertiary (d) quaternary

11. 5. What level of structure is present in proteins that have a globular structure which includes irregular folding, based on the side-chain interactions? (a) primary (b) secondary (c) tertiary (d) quaternary

12. 6. A hydrocarbon is saturated if… (a) one end is hydrophobic and the other end hydrophilic (b) it has one or more double bonds between carbon atoms (c) it has more than one functional group (d) it has all single bonds between carbon atoms

13. 6. A hydrocarbon is saturated if… (a) one end is hydrophobic and the other end hydrophilic (b) it has one or more double bonds between carbon atoms (c) it has more than one functional group (d) it has all single bonds between carbon atoms

14. 7. Polymerization reactions where polysaccharides are synthesized from monosaccharides or proteins are synthesized from amino acids… (a) result in the formation of water (b) are hydrolysis reactions (c) release energy (d) result in the formation of peptide bonds

15. 7. Polymerization reactions where polysaccharides are synthesized from monosaccharides or proteins are synthesized from amino acids… (a) result in the formation of water (b) are hydrolysis reactions (c) release energy (d) result in the formation of peptide bonds

16. 8. There are 20 essential amino acids. (a) True (b) False

17. 8. There are 20 essential amino acids. (a) True (b) False (8 essential—must get in diet!)

18. 9. Lipids are hydrophilic. (a)True (b) False

19. 9. Lipids are hydrophilic. (a)True (b) False – they are hydrophobic!

20. 10. Glycogen, cellulose, and starch are polymers of galactose. (a) True (b) False

21. 10. Glycogen, cellulose, and starch are polymers of galactose. (a) True (b) False --- polymers of glucose

22. 11. What parts make up a triglyceride? (a) steroids (b) glycerol, two fatty acids, phosphate & amine groups (c) glycerol and three fatty acids (d) glucose and galactose

23. 11. What parts make up a triglyceride? (a) steroids (b) glycerol, two fatty acids, phosphate & amine groups (c) glycerol and three fatty acids (d) glucose and galactose

24. 12. Which sugar does DNA contain? (a) ribose (b) deoxyribose (c) glucose (d) fructose

25. 12. Which sugar does DNA contain? (a) ribose (b) deoxyribose (c) glucose (d) fructose

26. 13. Which type of lipid is used by the body to make hormones such as testosterone and estrogen? (a) cholesterol (b) triglyceride (c) phospholipid (d) saturated fatty acid

27. 13. Which type of lipid is used by the body to make hormones such as testosterone and estrogen? (a) cholesterol (b) triglyceride (c) phospholipid (d) saturated fatty acid

28. 14. Which of the following elements is present in DNA? (a) sulfur (b) calcium (c) potassium (d) phosphorus

29. 14. Which of the following elements is present in DNA? (a) sulfur (b) calcium (c) potassium (d) phosphorus

30. 15. Which of the following is present in RNA and not DNA? (a) uracil (b) thymine (c) guanine (d) adenine

31. 15. Which of the following is present in RNA and not DNA? (a) uracil (b) thymine (c) guanine (d) adenine

32. 16. Which functional group is represented here? (a) ether (b) ester (c) carboxylic acid (d) ketone

33. 16. Which functional group is represented here? (a) ether (b) ester (c) carboxylic acid (d) ketone

34. 17. What is the amount of energy needed for a chemical reaction to occur? (a) ATP (b) activation energy (c) entropy (d) potential energy

35. 17. What is the amount of energy needed for a chemical reaction to occur? (a) ATP (b) activation energy (c) entropy (d) potential energy

36. 18. Consider: lactose lactase glucose + galactose What is the substrate? (a) lactase (b) lactose (c) glucose (d) galactose

37. 18. Consider: lactose lactase glucose + galactose What is the substrate? (a) lactase (b) lactose (c) glucose (d) galactose

38. 19. Which of the following is true concerning the sodium potassium pump? It… (a) sends 3 Na + in and 2 K + out (b) sends 2 Na + out and 3 K + in (c) sends 3 Na + in and 2 K + in (d) is active transport

39. 19. Which of the following is true concerning the sodium potassium pump? It… (a) sends 3 Na + in and 2 K + out (b) sends 2 Na + out and 3 K + in (c) sends 3 Na + in and 2 K + in (d) is active transport

40. 20. What type of transport does the CFTR membrane transport protein represent? (a) voltage gated transport (b) ligand gated transport (c) facilitated transport (d) bulk transport

41. 20. What type of transport does the CFTR membrane transport protein represent? (a) voltage gated transport (b) ligand gated transport (c) facilitated transport (d) bulk transport