1. BIOCHEMISTRY UNIT TEST REVIEW!

3. Definition: Neutral subatomic particle. Vocab Word?
Neutron-100 pts

4. What does the nucleus of an atom contain?
Protons and Neutrons-200 pts

5. If Carbon has 6 protons and 5 electrons, what is its charge?
pts

6. Definition: atoms of the same element with different number of neutrons. Vocab word?
Isotope-200 pts

7. What is the atomic mass of Hydrogen?
pts

8. What is the atomic number of Sodium?
pts

9. How many protons does Sulfur have?
pts

10. How many neutrons does Argon have?
pts

11. How many valence electrons does Magnesium have?
2-400 pts

12. Definition: charged particle. Vocab word?
Ion-200 pts

13. HCl has how many atoms of Hydrogen?
1-100 pts

14. Which type of bonding SHARES electrons?
Covalent Bonding-200 pts

15. How many bonds does Oxygen want?
2-300 pts

16. How many bonds does Hydrogen want?
1-300 pts

17. An acid has more of which type of ion?
H pts

18. A base has more of which type of ion?
OH pts

19. What is the full range of a base on the pH scale?
pts

20. What is the pH of pure water?
pts

21. True of False: Our bodies like to consume acidic foods
TRUE- 300 pts

22. Cleaning products are more basic or acidic?
Basic- 300 pts

23. Which property of water states that water molecules have an attraction between each other?
Cohesion- 400 pts

24. What color did red litmus paper turn with a base?
Blue -100 pts

25. True or False: Water is nonpolar
FALSE -100 pts

26. True or False: Water molecules are attracted to lipids
FALSE- 200 pts

27. What type of bonds occur between the Hydrogens and Oxygen within a water molecule?
COVALENT BONDS- 300 pts

28. What type of bond occurs between individual water molecules?
HYDROGEN BONDS – 200 pts

29. Benedict’s Test turns from blue to orange when what is present?
MONOSACCHARIDES- 200 pts

30. Biuret’s Test turns from blue to violet when was is present?
PROTEIN- 200 pts

31. TRUE OR FALSE: If a lipid is added to water, they mix together well.
FALSE- 100 pts

32. What type of sugar is present when Iodine is added and it turns purple?
POLYSACCHARIDE- 200 pts

33. Name an example of a food that has a LOT of carbs in it
ANSWERS VARY- 100 pts
PASTA, BREAD, RICE

34. Name a food that has a lot of protein in it
ANSWERS VARY- 100 pts
EGGS, MEAT, PEANUT BUTTER

35. What 2 types of molecules make up a lipid?
GLYCEROL AND FATTY ACID (3)
-300 pts

36. What are the building blocks of a protein?
AMINO ACIDS- 300 pts

37. Which macromolecule will ONLY be found in the shape of a ring?
CARBOHYDRATES- 100 pts

38. Which macromolecule is the only one who has nitrogen in it?
PROTEIN- 200 pts

39. DEHYDRATION SYNTHESIS-100 pts
What is the chemical reaction called that occurs when combining 2 monosaccharides to form a disaccharide? Water is lost during this.
DEHYDRATION SYNTHESIS-100 pts

40. Definition: 2 molecules that look different, but have the same chemical formula. Vocab word?
Isomer- 400 pts

41. Give an example of a chemical formula for a carbohydrate.
Anything that has double the amount of Hydrogens than Oxygens- 300 pts
C6H1206

42. Name 1 thing that you know about a saturated fat
Bad for you
Has max # of hydrogens
Straight
-200 pts

43. Name 1 thing you know about unsaturated fats
Not max # of hydrogens
Kinked
Good for you -200 pts

44. Give 1 example of a saturated fat
ANSWERS VARY
-300 pts

45. Give an example of an unsaturated fat
ANSWERS VARY -200 pts

46. What is the process called that combines monomers to form polymers
POLYMERIZATION-200 pts

47. What is the bond called in a protein?
PEPTIDE BOND-500 pts

48. How many types of amino acids are there?
pts

49. What are the 2 parts that make up an amino acid?
AMINO GROUP AND CARBOXYL GROUP- 500 pts

50. What is the monomer of a carbohydrate?
MONOSACCHARIDE- 300 pts

51. What is the ratio of oxygens to hydrogens in a carbohydrate?
1 Oxygen: 2 Hydrogens
-200 pts

52. What is hydrolysis? Opposite of Dehydration Synthesis
ADD water to break apart molecule -500 pts