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College Biochemical Pathways Questions

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College Biochemical Pathways
What is the final stage of glucose oxidation?
  1. intermediate stage
  2. glycolysis
  3. citric acid cycle
  4. electron transport system
College Biochemical Pathways
The third stage of glucose oxidation is called                          .
  1. intermediate stage
  2. glycolysis
  3. citric acid cycle
  4. electron transport system
College Biochemical Pathways
College Biochemical Pathways
During photosynthesis, ATP molecules are generated by
  1. chemiosmosis
  2. the splitting of water
  3. digestion
  4. fermentation
College Biochemical Pathways
What is the molecule that enters the citric acid cycle?
  1. pyruvic acid
  2. lactic acid
  3. citric acid
  4. acetyl coenzyme A
College Biochemical Pathways
What are the main products of photosynthesis?
  1. glucose and oxygen
  2. ATP and oxygen
  3. mesophyll
  4. photosynthesis
College Biochemical Pathways
The [math]CO_2[/math] we exhale is produced during which stage of respiration?
  1. ETC
  2. Glycosis
  3. Kreb's Cycle
  4. Kreb's Cycle and ETC
  5. Calvin Cycle
College Biochemical Pathways
College Biochemical Pathways
College Biochemical Pathways
If the arrow in the below chemical formula points to the right, what process is it and which steps occur during that process?
[math] 6CO_2 +12 H_2O square C_6H_12O_6 + 6O_2 + 6H_2O [/math]
  1. Cellular respiration: Glycolysis, Kreb's cycle, ETC
  2. Photosynthesis: Glycosis, Kreb's cycle, ETC
  3. Cellular respiration: Light dependent reactions, Calvin cycle
  4. Photosynthesis: Glycolysis, Kreb's cycle, ETC
  5. Photosynthesis: Light dependent reactions, Calvin Cycle
College Biochemical Pathways
In aerobic respiration the function of oxygen is to combine with                                                                  .
  1. ATP in the Krebs cycle
  2. Glucose in the glycolysis cycle
  3. Enzymes at the active site
  4. electrons and hydrogen at the end of the electron transport chain
College Biochemical Pathways
The loss of an electron is involved in                         .
  1. Phosphorylation
  2. Reduction
  3. Electron transport chain
  4. Oxidation
College Biochemical Pathways
What is a primary function of chlorophyll in plants and algae?
  1. It refracts sunlight
  2. It helps the plants grow
  3. Nutrients the cytoskeleton
  4. It oxidizes sugar
College Biochemical Pathways
Match the method of producing ATP with the appropriate choices below.

1. An inefficient pathway that can be used when no oxygen is present, makes lactic acid or ethanol to regenerate NAD+

2. Method employed by mostly bacteria in environments with no oxygen

3. A method that uses oxygen as the final electron acceptor
  1. Anaerobic respiration, Aerobic respiration, Fermentation
  2. Fermentation, Anaerobic respiration, Aerobic Respiration
  3. Aerobic respiration, Anaerobic respiration, Fermentation
  4. Fermentation, Aerobic respiration, Anaerobic respiration
  5. None of the above
College Biochemical Pathways
Why is aerobic respiration performed?
  1. Cells need ATP replenished continuously
  2. ATP is not a stable storage molecule
  3. Energy is stored in molecules like glucose which must be converted to ATP
  4. All of the above
  5. None of the above
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