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Eleventh Grade (Grade 11) Biochemical Pathways Questions

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Grade 11 Biochemical Pathways
What reaction occurs in the matrix of the mitochondria and includes FADH2 among its products?
  1. glycolysis
  2. Krebs cycle
  3. oxidative phosphorylation
  4. lactic acid fermentation
  5. chemiosmosis
Grade 11 Biochemical Pathways
Which process does NOT result in the making of ATP?
  1. oxidative phosphorylation of NADH
  2. Krebs cycle
  3. lactic acid fermentation
  4. glycolysis
Grade 11 Biochemical Pathways
This process releases energy in the cell when there is an insufficient amount of oxygen and can produce lactic acid or alcohol.
  1. Fermentation
  2. Photosynthesis
  3. Calvin cycle
  4. Chemosynthesis
  5. Light-dependent reaction
Grade 11 Biochemical Pathways
The study of the transformation of energy in living organisms is
  1. energy.
  2. bioenergetics.
  3. free energy.
  4. potential energy.
  5. kinetic energy.
Grade 11 Biochemical Pathways
When ATP is changed to generate ADP, energy will be
  1. released for use.
  2. destroyed.
  3. captured and stored.
  4. created.
Grade 11 Biochemical Pathways
What is true of plants that perform C4 photosynthesis?
  1. C4 photosynthesis inhibits photorespiration in plants living in hot, arid climates.
  2. The stomata are open during the day.
  3. The mesophyll cells store carbon dioxide in a 3-carbon acid.
  4. The Calvin cycle occurs in all the chloroplasts throughout the cells.
Grade 11 Biochemical Pathways
What process includes the reactions that use NADH and FADH2 to produce ATP?
  1. glycolysis
  2. Krebs cycle
  3. oxidative phosphorylation
  4. lactic acid fermentation
  5. chemiosmosis
Grade 11 Biochemical Pathways
What process uses the proton gradient created by the movement of electrons to form ATP?
  1. glycolysis
  2. Krebs cycle
  3. oxidative phosphorylation
  4. lactic acid fermentation
  5. chemiosmosis
Grade 11 Biochemical Pathways
A bacterium survives in a medium that contains nitrate, but no oxygen, with the nitrate reduced to nitrogen gas. This bacterium is likely undergoing
  1. aerobic respiration.
  2. fermentation.
  3. photosynthesis.
  4. photosystems I & II.
  5. anaerobic respiration.
Grade 11 Biochemical Pathways
What action is the release of energy from the breakdown of food molecules in the presence of oxygen?
  1. fermentation
  2. digestion
  3. cellular respiration
  4. breathing
Grade 11 Biochemical Pathways
In chloroplasts, the fluidlike matrix where the Calvin cycle happens is the
  1. stroma.
  2. pyruvate.
  3. mitochondria.
  4. enzyme.
  5. grana.
Grade 11 Biochemical Pathways
What is the thick fluid found inside of a chloroplast?
  1. thylakoid
  2. stroma
  3. stomata
  4. mesophyll
Grade 11 Biochemical Pathways
What reaction is performed to recycle the NAD+ needed for efficient respiration?
  1. glycolysis
  2. Krebs cycle
  3. oxidative phosphorylation
  4. lactic acid fermentation
  5. chemiosmosis
Grade 11 Biochemical Pathways
Organisms participate in an exchange of matter and energy with their environments. Chloroplasts in plants, for example, change solar energy into
  1. oxygen.
  2. kinetic energy.
  3. carbon monoxide and water.
  4. the potential energy of chemical bonds.
  5. the energy of motion.
Grade 11 Biochemical Pathways
A pathway that releases energy as a result of breaking down complex molecules to simpler compounds is
  1. a biochemical pathway.
  2. an anabolic pathway.
  3. a catabolic pathway.
  4. a metabolic pathway.
  5. metabolism.
Grade 11 Biochemical Pathways
Which trait cannot be attributed to a reduced rate of photosynthesis in plants?
  1. fewer cytochrome proteins
  2. increased photorespiration
  3. reduced water availability
  4. increased stomatal openings
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