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Seventh Grade (Grade 7) Biochemistry Questions

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Grade 7 Macromolecules
Which macromolecules do not dissolve in water?
  1. proteins
  2. lipids
  3. carbohydrates
  4. nucleic acids
Grade 7 Biochemical Pathways
What process occurs in a plant cell and uses light from the Sun and carbon dioxide to create energy?
  1. respiration
  2. cellular respiration
  3. photosynthesis
  4. osmosis
Grade 7 Biochemical Pathways
                is used in photosynthesis to capture light energy.
  1. Water
  2. Sunlight
  3. Carbon dioxide
  4. Chlorophyll
Grade 7 Biochemical Pathways
What is the goal of cellular respiration?
  1. make food
  2. use food
  3. get rid of oxygen
  4. create ATP
Grade 7 Biochemical Pathways
What is the process of creating glucose from light energy?
  1. cellular respiration
  2. cellular transport
  3. photosynthesis
  4. glycolysis
Grade 7 Biochemical Pathways
For the process of photosynthesis, what reactant is required?
  1. sunlight
  2. chlorophyll
  3. water
  4. carbon dioxide
  5. all of the above
Grade 7 Biochemical Pathways
How are cell respiration and photosynthesis connected?
  1. They both occur in the mitochondria.
  2. Photosynthesis makes glucose and oxygen, which are then used in cell respiration.
  3. Cell respiration makes oxygen, which is used by plants.
  4. Both are carried out by plants and animals.
Grade 7 Biochemical Pathways
The source of most energy for life is
  1. the Sun.
  2. oxygen.
  3. water.
  4. carbon dioxide.
Grade 7 Macromolecules
Proteins that control chemical activities are
  1. enzymes.
  2. bile.
  3. pepsin.
  4. nutrients.
Grade 7 Biochemical Pathways
Where does cellular respiration mostly take place?
  1. chloroplasts
  2. ribosomes
  3. nucleus
  4. mitochondria
Grade 7 Biochemical Pathways
                     releases energy in the cell when there is an insufficient amount of oxygen.
  1. Metabolism
  2. Equillibrium
  3. Cellular respiration
  4. Fermentation
Grade 7 Biochemical Pathways
The first step in photosynthesis is the
  1. absorption of light energy.
  2. synthesis of water.
  3. production of oxygen.
  4. formation of ATP.
Grade 7 Macromolecules
One sugar molecule, two sugar molecules, or a long chain of sugar molecules make up
  1. proteins.
  2. lipids.
  3. carbohydrates.
  4. nucleic acids.
Grade 7 Macromolecules
Lipids, nucleic acids, proteins, and carbohydrates are all a type of
  1. golgi apparatus.
  2. nucleus.
  3. macromolecule.
Grade 7 Biochemical Pathways
The series of chemical reactions that converts light energy, water, and carbon dioxide into sugar and gives off oxygen is
  1. cellular respiration.
  2. osmosis.
  3. homeostasis.
  4. photosynthesis.
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