1. Carbon Structures, and Lipids.
Jeopardy
Carbon Structures, and Lipids.

2. Carbon.
This element that can bond with one to four other atoms producing a large variety of skeleton structures.

3. Does this model represent an unsaturated or saturated fatty acid?

4. Which of the following is a lipid? Butter Sugar Enzyme Muscle

5. How many valence electrons does carbon have?4
How many valence electrons does carbon have?

6. This large molecule is made up of individual monomer units.
A polymer.
This large molecule is made up of individual monomer units.

7. A carboxyl (acid) group.
Name of the functional group on the right side of this 5-carbon skeleton.

8. Dehydration synthesis can be reversed by this process.
Hydrolysis.
Dehydration synthesis can be reversed by this process.

9. Organic molecules.
Most, but not all, carbon-based molecules are known as what type of molecules?
Organic
Inorganic

10. Nitrogen, phosphorous, or sulfur
Organic molecules contain carbon and hydrogen. What other atoms are often present as well?

11. The term “mono” means what?
One
The term “mono” means what?

12. Carbohydrates
Lipids
Proteins
Nucleic acids
What are the four main types of macromolecules found in living organisms?

13. This diagram represents what type of reaction?
Dehydration Reaction
This diagram represents what type of reaction?

14. Does this model represent a simply unsaturated
polyunsaturated Fatty Acid
Does this model represent a simply unsaturated
fatty acid or polyunsaturated fatty acid?

15. Molecules that do not contain both hydrogen and carbon are known as?
Inorganic molecules.
Molecules that do not contain both hydrogen and carbon are known as?
Organic
Inorganic

16. The term “poly” means what?
Many
The term “poly” means what?

17. This term means “Water-fearing.”
Hydrophobic.
This term means “Water-fearing.”

18. What is a carboxyl group and a hydroxyl group.
These two functional groups are involved in the dehydration reaction that creates a lipid (fat) molecule from glycerol and fatty acid chains?

19. Draw the structural formula of a amino group.

20. Structurally how are steroids different from fats?
Steroids are composed of 4 fused rings – Fats are made up of glycerol attached to three fatty acids.
Structurally how are steroids different from fats?

21. Water H
H C OH
When these molecules are brought together through dehydration synthesis what is the by-product of the reaction?

22. Name this functional group: – COOH
A carboxyl (acid) group
Name this functional group:
– COOH

23. Draw the structural formula of a 7-carbon unsaturated fatty acid.HO C H
Draw the structural formula of a 7-carbon unsaturated fatty acid.

24. Draw a diagram of a carbon atom showing the correct number of protons, neutrons, orbitals and electrons.

25. All hydrocarbons contain these two elements.
What are carbon and hydrogen.
All hydrocarbons contain these two elements.

26. Which of the following is not an organic molecule.
Water
Which of the following is not an organic molecule.
Water
Lipid
Protein
Carbohydrate

27. A polyunsaturated fatty acid.
This type of lipid contains multiple double-bonds in its fatty acid tail(s).

28. created as a by-product of dehydration synthesis?
Water (H2O).
What type molecule is
created as a by-product of
dehydration synthesis?

29. Which of the following is/are organic molecules?
C3H8O3 & C6H12O6
Which of the following is/are organic molecules?
H2O
C3H8O3
CO2
C6H12O6

30. This diagram represents what type of reaction?
Hydrolysis
This diagram represents what type of reaction?

31. The term “di” means what?
Two
The term “di” means what?

32. How many and what type of function group is attached to this molecule?
3 hydroxyl groups H
H C OH
How many and what type of function group is attached to this molecule?

33. Carbon is able to make this many bonds with other atoms.

34. Name these three types of carbon structures.

35. Lipid molecules come in these three forms in the body.
Fats, Steroids, and Cholesterol
Lipid molecules come in these three forms in the body.

36. What are the two main parts of a lipid fat?
Glycerol and fatty acids
What are the two main parts of a lipid fat?

37. A phospholipid
A fat derivative in which one fatty acid tail has been replaced by a phosphate group and one of several nitrogen-containing molecules is called?

38. Draw the structural formula of a hydroxyl group.
- OH
Draw the structural formula of a hydroxyl group.

39. Fat
This type of lipid acts as a storage form of energy in the body, insulation, as well as cushioning for internal organs.

40. Draw the structural formula of a 7-carbon polyunsaturated fatty acid.HO C H
Draw the structural formula of a 7-carbon polyunsaturated fatty acid.

41. This term means “Water-loving.”
Hydrophilic
This term means “Water-loving.”

42. Lipid (fat)
Excess carbohydrates (glucose) in the diet will turn into what other macromolecule in the body?
Protein
Enzyme
Lipid (fat)

43. These two 4 ring structures are types of?
Steroids
These two 4 ring structures are types of?

44. What is the name of this large lipid?
A polyunsaturated triglyceride. O C H
H H

45. Functionally how do steroids differ from fats?
Steroids act as chemical signals in the body – Fats act as a storage of energy, insulation, and cushioning around internal organs.
Functionally how do steroids differ from fats?

46. What three elements do lipids contain?
Carbon, Hydrogen and Oxygen
What three elements do lipids contain?

47. Does this model represent an unsaturated or saturated fatty acid?
Unsaturated Fatty Acid
Does this model represent an unsaturated
or saturated fatty acid?

48. What 3-carbon molecule acts as the head of a Lipid (fat) molecule?
Glycerol
What 3-carbon molecule acts as the head of a Lipid (fat) molecule?

49. Saturated fatty acids have only single bonds between carbons
Saturated fatty acids have only single bonds between carbons. Unsaturated fatty acids have one or more double bonds between carbons.
Structurally, what is the difference between a saturated fatty acid and an unsaturated fatty acid?

50. This molecules acts as the tail of a fat molecule.
A fatty acid.
This molecules acts as the tail of a fat molecule.

51. Draw the structural formula of a carboxyl group.
- C -OH
Draw the structural formula of a carboxyl group.

52. Cholesterol
What type of lipid acts as a precursor (starting point) for a steroid molecule?

53. A dehydration reaction
H C OH
What type of reaction is involved when these molecules are joined to form a lipid (fat)?

54. A saturated fatty acid.
This type of lipid contains the maximum number of hydrogen atoms in its fatty acid tail(s).

55. Draw the structural formula of glycerol.
H C OH
Draw the structural formula of glycerol.

56. What is the chemical formula for glycerol seen above?
C3H8O3 H
H C OH
What is the chemical formula for glycerol seen above?

57. A monoglyceride
This type of lipid consists of a glycerol molecule with a single fatty acid tail.

58. Fats:
Storage of energy, cushioning of internal organs, and insulation of the body.
Steroids:
Chemical messengers.
List the various functions of lipids (both fats and steroids) in the body.

59. Draw the structural formula of a carbonyl group.

60. Saturated fats have been linked to heart disease.
Why is a diet high in animal fats (saturated fat) dangerous to your health?

61. Structurally:
Steroids are composed of 4 fused rings, while fats are composed of glycerol and fatty acids.
Functionally:
Steroids act as chemical messengers in the body, while fat acts as a storage of energy, cushioning for internal organs, and as insulation for the body.
Compare and contrast the structural and functional differences between steroids (a type of lipid) and fats (another type of lipid).

62. Draw the structural formula of a 7-carbon saturated fatty acid.HO C H
Draw the structural formula of a 7-carbon saturated fatty acid.

63. A diglyceride
This type of lipid consists of a glycerol molecule with two fatty acid tails.

64. How many fatty acid chains does a triglyceride contain?3
How many fatty acid chains does a triglyceride contain?

65. The number of double bonds in the fatty acid chains.
What is the difference between saturated, unsaturated, and polyunsaturated fats?

66. A triglyceride
This type of lipid consists of a glycerol molecule with three fatty acid tails.

67. A steroid
This type of lipid molecule acts as a chemical messenger inside the body, and is composed of four fused carbon rings.

68. An anabolic steroid
This class of lipid molecule is related to testosterone. They are used therapeutically in medicine to stimulate bone growth and appetite, and to treat chronic wasting conditions such as cancer and AIDS.

69. Dehydration synthesis.
What reaction joins these 3 fatty acids tails to the glycerol molecule? O C H
H H
Dehydration synthesis.

70. Fats, butter, and oils are all types of what macromolecule?
Lipid molecules
Fats, butter, and oils are all types of what macromolecule?

71. Cholesterol
This type of lipid molecule is present in the plasma membranes of animal cells, and acts as the starting point for making other steroids.

72. An unsaturated fatty acid.
This type of lipid molecule contains less than the maximum number of hydrogen atoms its fatty acid tail.