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Eleventh Grade (Grade 11) Biochemical Pathways Questions

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Grade 11 Biochemical Pathways
What do all cells need to carry out essential life functions?
  1. glucose
  2. energy
  3. oxygen
  4. lipids
Grade 11 Biochemical Pathways
What condition is necessary for anaerobic respiration to occur?
  1. no ATP available
  2. no oxygen available
  3. too much glucose available
  4. not enough carbon dioxide available
Grade 11 Biochemical Pathways
What serves as a driving force for the production of much of the ATP that results from respiration?
  1. electrons that move down a concentration gradient
  2. electrons that move down the electron transport chain
  3. protons that move down a concentration gradient
  4. sodium ions that move down a concentration gradient
  5. pyruvate moving from the cytoplasm to the mitochondria
Grade 11 Biochemical Pathways
All the chemical reactions that an organism undergoes, taken together, are known as
  1. a biochemical pathway.
  2. an anabolic pathway.
  3. a catabolic pathway.
  4. a metabolic pathway.
  5. metabolism.
Grade 11 Biochemical Pathways
A pathway that consumes energy to build more complex molecules from simpler ones (sometimes known as a biosynthetic pathway) is
  1. a biochemical pathway.
  2. an anabolic pathway.
  3. a catabolic pathway.
  4. a metabolic pathway.
  5. metabolism.
Grade 11 Biochemical Pathways
Which molecule produces the greatest quantity of ATP?
  1. NADH
  2. FADH2
  3. pyruvate
  4. glucose
Grade 11 Biochemical Pathways
Which list includes the products of one glucose molecule undergoing reactions in the Krebs cycle?
  1. 10 ATP, 4 NADH, 2 FADH2
  2. 10 NADH, 4 FADH2, 2 ATP
  3. 10 ATP, 4 FADH2, 2 NADH
  4. 10 NADH, 4 ATP, 2 FADH2
  5. 10 FADH2, 4 ATP, 2 NADH
Grade 11 Biochemical Pathways
Why do muscles cramp up during rigorous exercise?
  1. lactic acid fermentation
  2. alcohol fermentation
  3. chemiosmotic coupling
  4. too much oxygen delivered to the muscles
  5. oxidative phosphorylation
Grade 11 Biochemical Pathways
Which is the main pigment involved with the absorption of light?
  1. chlorophyll a
  2. carotenoids
  3. phytochrome c
  4. chlorophyll d
Grade 11 Biochemical Pathways
A series of chemical reactions occurring within a cell is collectively known as
  1. a biochemical pathway.
  2. an anabolic pathway.
  3. a catabolic pathway.
  4. a metabolic pathway.
  5. metabolism.
Grade 11 Biochemical Pathways
ATP stores energy in the bonds of the phosphate groups.
  1. True
  2. False
Grade 11 Biochemical Pathways
Movement is a process of metabolism.
  1. True
  2. False
Grade 11 Biochemical Pathways
What is a series of actions among molecules in a cell that leads to a certain product or a change in the cell?
  1. a biochemical pathway
  2. an anabolic pathway
  3. a catabolic pathway
  4. a metabolic pathway
  5. metabolism
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