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Twelfth Grade (Grade 12) Biochemistry Questions

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Grade 12 Biochemical Pathways
Grade 12 Biochemical Pathways
Hydrolysis is a reaction in which
  1. water is added to a polymer and it breaks down.
  2. water is used to build polymers from monomers.
  3. proteins are made using water.
  4. water is taken away from a monomer.
Grade 12 Macromolecules
Pick a macromolecule from the list below.
  1. Oxygen
  2. Bacteria
  3. Protein
  4. Fruit Flies
Grade 12 Macromolecules
Drugs, Pathogens, Pesticides and Metabolic Imbalances are examples of                  .
  1. Enzyme Activators
  2. Enzyme Inhibitors
  3. Enzyme Reaction
  4. Enzyme Converters
Grade 12 Macromolecules
Which type of biomolecule does not form polymers?
  1. lipids
  2. proteins
  3. carbohydrates
  4. nucleic acids
Grade 12 Macromolecules
An ATP molecule is made up of                                           .
  1. matrix, inner membrane, outer membrane
  3. adenine, phosphate groups and ribose
  4. proteins, carbohydrates, and nucleic acids
Grade 12 Macromolecules
Grade 12 Macromolecules
Grade 12 Macromolecules
Grade 12 Biochemical Pathways
Grade 12 Biochemical Pathways
How do enzymes make reactions go faster?
  1. They lower activation energy.
  2. They raise the activation energy.
  3. They supply extra reactants.
  4. They limit the amount products in the reaction.
Grade 12 Macromolecules
Carbohydrates include which of the following?
  1. fructose
  2. starch
  3. polysaccharide
  4. all of the other answers
Grade 12 Biochemical Pathways
Which process would require an input of energy?
  1. exergonic reactions
  2. endergonic reactions
  3. hydrolysis
  4. cellular respiration
Grade 12 Macromolecules
Which of the following is most likely an enzyme?
  1. maltose
  2. succrose
  3. lipase
  4. taurine
Grade 12 Macromolecules
The function of lipids is                         .
  1. building cell membranes
  2. long term energy
  3. insulation
  4. all of the other answers
Grade 12 Macromolecules
How are enzymes denatured?
  1. Water
  2. pH
  3. Temperature
  4. Temperature and pH
Grade 12 Macromolecules
Catalase is an enzyme that speeds up which reaction?
  1. breakdown of hydrogen peroxide into oxygen and water
  2. breakdown of lipids in the gut
  3. synthesizing proteins from amino acids
  4. breakdown of lactose in the digestive system
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