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Miss T’s Biochemistry Review

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Presentation on theme: "Miss T’s Biochemistry Review"— Presentation transcript:

1 Miss T’s Biochemistry Review

2 All organic molecules contain what element?


4 What is a monomer?

5 Smallest repeating subunit of a molecule. Think train car
Smallest repeating subunit of a molecule. Think train car. What would be the monomer of a pearl necklace?

6 What is a polymer?

7 Long chain of repeating subunits
(The whole train The whole pearl necklace)

8 What’s the monomer of a carbohydrate?

9 Monosaccharide

10 Name 3 monosaccharides

11 Glucose Fructose Galactose

12 What is the chemical formula for monosaccharides (glucose)?

13 C6H12O6

14 What is a disaccharide?

15 Double Sugar (Two Monosaccharides attached to one another)

16 What is the name of the reaction that forms a disaccharide from 2 monosaccharides?

17 Dehydration Synthesis

18 How is the bond formed in a dehydration synthesis reaction?


20 What is the reverse of a dehydration synthesis reaction?

21 Hydrolysis (Hydro- = water -Lysis = to split)

22 What are the 3 disaccharides?

23 Sucrose (Table Sugar) glucose + fructose Lactose (Milk Sugar) glucose + galactose Maltose (Malt sugar) glucose + glucose

24 What is the polymer of a carbohydrate?

25 Polysaccharide

26 What are the three types of polysaccharides?

27 Starch Energy storage in plants Long chains of glucose Glycogen Energy storage in animals Cellulose Structure in plant cell walls

28 Again, what is the name of the reaction that forms polysaccharides?

29 Dehydration Synthesis

30 What is the main source of energy in living things?

31 Carbohydrates

32 What organic molecule is the reserve form of energy in living things?

33 Lipids

34 What type of molecule is shown below?

35 Glucose C6H12O6

36 What elements are found in lipids?

37 Carbon, Hydrogen & Oxygen

38 What’s the difference between a Carbohydrate & a lipid?

39 Carbohydrates have a 1:2:1 of C,H&O, lipids have no distinct ratio

40 What is the monomer of a lipid?

41 Triglyceride (3 fatty acids and a glycerol)

42 What is the polymer of a lipid?

43 Fats, Oils, & Waxes

44 What type of molecules is found below?

45 Triglyceride

46 What is the difference between saturated and unsaturated fats?

47 Unsaturated fats have a double bond that kinks the molecule so they don’t fit well together.

48 Which of the below is a saturated fat? Unsaturated fat?

49 What type of fat is solid at room temp? A liquid?

50 Saturated Fats are solids at room temp (lard, butter) Unsaturated Fats are liquids at room temp (oils)

51 What is the monomer of a nucleic acid?

52 A nucleotide

53 What three things make up a nucleotide?

54 5-Carbon Sugar Phosphate Group Nitrogen Base

55 What is the function of nucleic acids?

56 To store and transmit genetic information

57 What are the polymers of nucleic acids?

58 DNA & RNA

59 What is the monomer of a protein?

60 Amino Acid

61 What is the R group of an amino acid?

62 R group is like a place holder or a variable in math.

63 What are four functions of proteins?

64 Proteins are important: -enzymes -structure in cells -immune response -help form bone & muscle

65 What are the products & reactants of the following reaction?
CH4 + O2  CO2 + H2O

66 What is the difference between potential and kinetic energy?

67 Potential energy is stored energy or energy of positions Kinetic energy is energy of motion

68 What is Activation Energy?

69 The energy that is required to start a reaction

70 What do enzymes do to a reaction?

71 They help speed up the rate of a reaction

72 How do enzymes help speed up a reaction?

73 By lowering the activation energy

74 Is this reaction energy releasing or absorbing?

75 Where on this graph can activation energy be found?

76 Is the following rxn energy releasing or absorbing?

77 Is this a bond-forming reaction or bond breaking reaction?

78 Where is energy stored in a molecule?

79 In the bonds of the molecule. When you break bonds you release energy
In the bonds of the molecule. When you break bonds you release energy. When you make bonds you store energy

80 What organic molecule are enzymes?

81 Proteins!

82 What is a catalyst?

83 a substance that SPEEDS up the RATE of a chemical reaction by lowering a chemical reaction’s activation energy

84 Draw a energy-storing enzyme reaction…

85 What four factors affect enzyme activity?

86 Temperature pH Enzyme concentration substrate concentration

87 What do enzymes do?

88 Make materials that cells need -Help transmit information

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