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College Biochemical Pathways Questions

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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
Which of the following is not a product of the light reactions of photosynthesis?
  1. Oxygen gas
  2. ATP
  3. NADPH + H+
  4. Glucose
College Biochemical Pathways
Which of these is the overall equation for cellular respiration of glucose?
  1. C5H12O6+6O2→5CO2+6H2O+ATP+heat
  2. 5CO2+6H2O→C5H12O6+6O2+ATP+heat
  3. C6H12O6+ATP+heat→6CO2+6O2+6H2O
  4. 4CO2+12H2O→2C5H12O6+8O2+ATP+heat
  5. C6H12O6+6O2→6CO2+6H2O+ATP+heat
College Biochemical Pathways
Which of the following are products of the light reactions of photosynthesis that are utilized in the Calvin cycle?
  1. ATP and NADPH
  2. ADP, Pi, and NADP+
  3. H20 and O2
  4. electrons and H+
  5. CO2 and glucose
College Biochemical Pathways
Energy is stored in the third bond of                .
  1. Glucose
  2. ATP
  3. Hydrogen
  4. Proteins
College Biochemical Pathways
The loss of an electron is involved in                         .
  1. Phosphorylation
  2. Reduction
  3. Electron transport chain
  4. Oxidation
College Biochemical Pathways
During cellular respiration, NADH                                                                                             .
  1. is chemically converted into carbon dioxide
  2. is reduced to form NAD+
  3. delivers its electron load to the electron transport chain
  4. is the only electron carrier that collects and transports electrons to the citric acid 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
Of what does aerobic respiration comprise?
  1. the Electron Transport Chain
  2. Glycolysis and the Krebs Cycle
  3. Glycolysis
  4. the Krebs Cycle
  5. Krebs Cycle, Electron Transport Chain, Glycolysis
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
College Biochemical Pathways
Which of the following are products of cellular respiration?
  1. oxygen and ATP
  2. oxygen and carbon dioxide
  3. ATP and carbon dioxide
  4. oxygen and glucose
College Biochemical Pathways
What is the equation for the cellular respiration of glucose?
  1. C5 H12 O6 + 6O2 -> 5CO2 + 6H2O + ATP + heat
  2. 5CO2 + 6H2O -> C5 H12 O6 + 6O2 + ATP + heat
  3. C6 H12 O6 + ATP + heat -> 6CO2 + 6H2O + 6O2
  4. C6 H12 O6 + 6O2 -> 6CO2 + 6H2O + ATP + heat
  5. 4CO2 + 12H2O -> 2C5 H12 O6 + 8O2 + ATP + heat
College Biochemical Pathways
What is the primary function of the Calvin cycle?
  1. use ATP to release carbon dioxide
  2. use NADPH to release carbon dioxide
  3. synthesize simple sugars from carbon dioxide
  4. transport RuBP out of the chloroplast
  5. split water and release oxygen
College Biochemical Pathways
What mechanism allows you to smell a friend's cologne shortly after he or she has entered the room?
  1. filtration
  2. osmosis
  3. active transport
  4. pinocytosis
  5. diffusion
College Biochemical Pathways
What are the products of the Kreb's cycle?
  1. Pyruvate
  2. FADH2
  3. NADH
  4. CO2
  5. B, C, and D
College Biochemical Pathways
Where does the Calvin cycle take place?
  1. cytoplasm surrounding the chloroplast
  2. thylakoid membrane
  3. outer membrane of the chloroplast
  4. chlorophyll molecule
  5. stroma of the chloroplast
College Biochemical Pathways
The process of glucose breakdown to produce ATP that occurs solely in the cytoplasm and does not require oxygen is termed?
  1. glycolysis
  2. Krebs cycle
  3. electron transport
  4. citric acid cycle
  5. none of the above
College Biochemical Pathways
Which of the following is not a catabolic reaction that cells use to get energy from nutrients?
  1. chemiosmosis
  2. photosynthesis
  3. digestion
  4. cellular respiration
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