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Biochemistry Questions - All Grades

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Grade 10 Macromolecules
Carbohydrates are made up of the three elements of
  1. nitrogen, oxygen, and hydrogen.
  2. carbon, hydrogen, and oxygen.
  3. sulfur, hydrogen, and oxygen.
  4. nitrogen, phosphorus, and oxygen.
Grade 9 Biochemical Pathways
Grade 9 Biochemical Pathways
Which are typically products of cellular respiration?
  1. carbon dioxide and water
  2. oxygen and carbon dioxide
  3. water and glucose
  4. glucose and oxygen
Grade 9 Biochemical Pathways
Which are typically products of photosynthesis?
  1. oxygen and carbon dioxide
  2. glucose and oxygen
  3. carbon dioxide and water
  4. water and glucose
Grade 9 Biochemical Pathways
Which correctly describes the purpose of photosynthesis?
  1. to release energy by decomposing glucose
  2. to store energy in the form of carbon dioxide
  3. to use sunlight energy to make sugars
  4. to create water for hydration
Grade 10 Macromolecules
Grade 9 Biochemical Pathways
Which most accurately describes the purpose of cellular respiration?
  1. to decompose glucose into energy that can be used for cellular functions
  2. to decompose usable energy into smaller parts
  3. to decompose different types of substances to be used to construct other parts of the cell
  4. all of the above
Grade 11 Biochemical Pathways
Grade 10 Macromolecules
Which macromolecule holds genetic information?
  1. nucleic acids
  2. carbohydrates
  3. lipids
  4. proteins
Grade 10 Macromolecules
A carbohydrate is an organic compound because it contains
  1. phosphorus.
  2. carbon.
  3. hydrogen.
  4. oxygen.
Grade 12 Macromolecules
An ATP molecule is made up of
  1. matrix, inner membrane, and outer membrane.
  2. NADH, NADPH, and FADH.
  3. adenine, phosphate groups, and ribose.
  4. proteins, carbohydrates, and nucleic acids.
Grade 9 Biochemical Pathways
Grade 10 Biochemical Pathways
Living things get the energy they need from
  1. oxygen.
  2. [math]NAD^+[/math].
  3. food.
  4. air.
Grade 10 Macromolecules
An organic compound made of sugar molecules is a
  1. carbohydrate.
  2. lipid.
  3. protein.
  4. nucleic acid.
Grade 9 Macromolecules
Phospholipids are the primary component of
  1. cell membranes.
  2. cell walls.
  3. ribosomes.
  4. steroids.
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