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College Biochemical Pathways
Which of the following statements regarding cellular respiration is true?
  1. cellular respiration produces glucose
  2. cellular respiration produces carbon dioxide as an end product
  3. cellular respiration produces oxygen as a waste product
  4. cellular respiration is a single chemical reaction with just one step
College Biochemical Pathways
To what does pyruvate undergo oxidation when it loses electrons?
  1. carbon dioxide
  2. NAD+
  3. glucose
  4. NADH
College Properties of Matter
A change in a substance's chemical composition is a:
  1. natural change
  2. chemical change
  3. chemical mixture
  4. chemical synthesis
College Biochemical Pathways
Why do photosynthesis and aerobic respirations form a balanced cycle in the biosphere?
  1. both processes produce about equal amounts of oxygen
  2. both processes break down organic molecules into CO2 and H2O
  3. both processes occur in the mitochondria
  4. their overall reactions are exactly the opposite of one another
  5. photosynthesis operates only in plants, while respiration operates only in animals
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 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 is not a product of the light reactions of photosynthesis?
  1. Oxygen gas
  2. ATP
  3. NADPH + H+
  4. Glucose
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
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 Reactions
AB→A+B is an example of which kind of reaction?
  1. Synthesis
  2. Decomposition
  3. Exchange
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 Macromolecules
What forms the sugar/phosphate backbone of each strand of DNA?
  1. Phosphodiester covalent bonds
  2. Hydroxyldiester covalent bonds
  3. Manganesdiester covalent bonds
  4. Carbodiester covalent bonds
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 Kinetics and Equilibrium
Pressure increases, gas volume will decrease
  1. Gay-Lussac's Law
  2. Boyle's Law
  3. Dalton's Law
  4. Charles' Law
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
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