No 3C’s today

1. No 3C’s today • Agenda: • Review game • Stop by after school if you have questions on your review sheet you want me to go over • I have uploaded my review PPT to class website under class notes – use it to study! • Homework: • Make sure 2 online quizzes are done tonight • Your study guide must be completed for credit by tomorrow • If you did the extra HPs assignment, it is due tomorrow

2. Biology H: Biochemistry Test Review

3. Water is called the universal: • Solute • Solvent • Solution • Neutralizer Its polarity allows it to dissolve most substances.

4. What element do organic substances contain? C - Carbon

5. All matter in the universe is made of: • molecules • mass • compounds • Atoms this is the Atomic Theory

6. Wax is a: • Carbohydrate • Lipid • Protein • Nucleic Acid

7. The monomer of a nucleic acid is a(n): • Monosaccharide • Amino acid • Nucleotide • Fatty acid

8. A molecule with a slight positive charge on one end and a slight negative charge on the other is • ionic • covalent • polar • non-polar

9. How many neutrons does Calcium have? • 18 • 19 • 20 • 21

10. The monomer of a protein is a(n): • Monosaccharide • Amino acid • Nucleotide • Fatty acid

11. The polymer of a monosaccharide is a: • Triglyceride • Protein • Polysaccharide • Nucleic acid

12. What property of water is displayed here?

13. What macromolecule are DNA and RNA types of? Nucleic Acids

14. How many covalent bonds can carbon form? 4

15. -OH • Hydroxyl group • Amine group • Glycerol • Carboxyl group

16. An acidic solution is one that has more _________ than ___________ ions. • hydrogen, hydroxide • hydroxide, hydrogen • sodium, chloride • chloride, sodium

17. What is the structural formula for the Amine Group? • -OH • -COOH • -NH2

18. Which numbers point to peptide bonds? 1& 3 1 2 4 5 3

19. The following statements about enzymes are true EXCEPT: • Each enzyme reacts with a specific substrate. • Enzymes affect the rate of a reaction. • Enzymes are unchanged by the reaction they facilitate. • Enzymes are nucleic acids.

20. Lipids have the following characteristics: • A lot of hydrocarbon (carbon-hydrogen) bonds • Comprised of nitrogen, carbon, hydrogen and oxygen • Hydrophilic and hydrophobic parts • Both A and C • All of the above ALSO: Insoluble in water

21. Lipids dissolve in non-polar solvents. Lipid molecules are: • Polar • Non-polar • Similar to water • Hydrophilic Remember: like dissolves like

22. A carboxyl group is: A. -OH • -COOH • -NH2

23. Carbon atoms readily bond with other carbon atoms, resulting in all of the following EXCEPT: • Straight chain structures • Branched structures • Ring structures • Inorganic structures

24. A molecule of water is consumed during: • A condensation reaction. • Polymerization • Formation of macromolecules • Hydrolysis Answer: D. A molecule of water is consumed when the bond between monomers is split.

25. A molecule with two fatty acids, glycerol, and a phosphate group is a ___________? • Steroid • Amino acid • Phospholipid • Nucleic acid

26. The terms base or alkaline refer to solutions that: • Contain dissolved sodium hydroxide • Contain more hydrogen ions than hydroxide ions • Contain more hydroxide ions than hydrogen ions • Contain more hydroxide ions than oxygen ions • None of the above

27. Elements: C, H, O, N • Carbs? • Lipids? • Nucleic Acids? • Proteins?

28. Elements: C, H, O, N, P • Carbs? • Lipids? • Nucleic Acids? • Proteins?

29. Elements: C, H, O • Carbs? • Lipids? • Nucleic Acids? • Proteins?

30. Which elements comprise nucleic acids? • Carbon, Hydrogen, Oxygen • Carbon, Hydrogen, Oxygen, Nitrogen, Phosphorus • Carbon, Hydrogen, Oxygen, Nitrogen • Hydrogen, Oxygen, Nitrogen, Phosphorus

31. An ion is an atom that has gained or lost __________. Ion - electrons

32. An isotope is an atom that has a different number of __________. Isotopes - neutrons

33. What causes water’s polarity? • Oxygen is 2- and Hydrogen is 1+, so the atoms attract each other. • Oxygen and hydrogen atoms do not share the electrons equally. • Molecules and ions can move freely through water.

34. Ions are formed when: • Neutrons are added or removed. • Protons are added or removed. • Electrons are added or removed.

35. What does hydrophobic mean? Water fearing Won’t dissolve in water

36. What types of substances will dissolve in water? • Ionic compounds? • Non-polar compounds? • Polar molecules? • Fats? • Everything?

37. What property of water is displayed here?

38. Adhesion, cohesion, capillary action and high specific heat loss or gain are characteristics of water that result from • the presence of oxygen. • ionic bonding. • hydrogen bonds. • surface tension.

39. Draw a pH scale • Label acids and bases • Where does water go?

40. A solution with a pH of 5 ACID Less than 7

41. What type of ions do acids have more of? • Hydrogen? H+ • Hydroxide? OH-

42. How do enzymes affect chemical reactions in the body? • They neutralize pH. • They alter the activation energy, speeding up the reaction. • They standardize the rate of reaction. • They raise the temperature, thereby increasing heat energy.

43. Insulin is a: • Carbohydrate • Lipid • Protein • Nucleic Acid

44. Sucrose is a: • Carbohydrate • Lipid • Protein • Nucleic Acid

45. Enzymes are: • Carbohydrates • Lipids • Proteins • Nucleic Acids

46. Monomers of lipids are: • Fatty acids and glycerol • Nucleotides • Amino Acids • Monosaccharides

47. Where are phospholipids found? Cell Membranes!

48. Saturated fats have ____ bonds, while unsaturated fats have ____ bonds. Single, double

49. Glycogen, starch, and cellulose are: • polysaccharides • monosaccharides • Proteins • Lipids

50. Glucose is stored by animals in the form of ___________ and by plants in the form of ____________. • Starch, glycogen • Monosaccharides, polysaccharides • Glycogen, starch • Carbohydrates, chlorophyll