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College Biochemical Pathways Questions

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College Biochemical Pathways
Which of the following is not a place involved in Photosynthesis?
  1. Thylakoid Membrane
  2. Stroma
  3. Outer Membrane
  4. Cell Membrane
College Biochemical Pathways
In the electron transport chain, in what location does light get absorbed?
  1. Photosystem I
  2. Photosystem II
  3. Mobile Electron Carrier
  4. Both A and B
  5. A, B, and C
College Biochemical Pathways
Where does glycolysis occur?
  1. in the cristae of the mitochondria
  2. in the cytoplasm
  3. in the matrix of the mitochondria
  4. in the chloroplasts
College Biochemical Pathways
Glycolysis takes place in the                                          and results in 2 molecules of                                          and ATP
  1. Inner mitochondrial membrane, Acetyl CoA
  2. Mitochondrial matrix, Glucose
  3. Inner mitochondrial membrane, FADH2
  4. Cytosol of the cell, Pyruvate
  5. Stroma, NADPH
College Biochemical Pathways
What occurs during a decarboxylation reaction in cellular respiration?
  1. NADH is recharged
  2. FADH2 is recharged
  3. An amine group is removed in urea
  4. A carboxyl group is removed and released as CO2
  5. A and B
College Biochemical Pathways
What is true about the thylakoid membrane?
  1. Its the site of light dependent reactions
  2. They completely fill the chloroplast
  3. They are used to contain glucose and fructose that is made from carbon fixation
  4. They absorb light and donate the energy to carbon fixation
  5. They float freely in the stroma
College Biochemical Pathways
For the citric acid cycle to proceed, it is necessary for                                         .
  1. pyruvate to bind to oxaloacetate
  2. CO2 to bind to oxaloacetate.
  3. an acetyl group to bind to oxaloacetate.
  4. H2O to be oxidized.
  5. None of the above
College Biochemical Pathways
What are the products of the citric acid cycle?
  1. NADH, ATP, FADH2, and CO2
  2. O2, ADP, 1 FAD, and NAD+
  3. Glucose, ATP, O2, and NADH
  4. FADH2, NAD+, CO2, and O2
  5. heat, H2O, NADH, and pyruvate
College Biochemical Pathways
Glucose oxidation is an                 reaction?
  1. endergonic
  2. exergonic
  3. coenzyme
  4. thyroid hormone
College Biochemical Pathways
How many ATP's are formed at the end of cellular respiration?
  1. 36
  2. 37
  3. 38
  4. 39
  5. 38 and 2 NADH's
College Biochemical Pathways
A reaction has a deltaG of -20kcal/mole. This reaction is considered                                                                                      .
  1. Exergonic, and at equilibrium products are at much greater abundance than reactants.
  2. Exergonic, and at equilibrium products are at much less abundance than reactants.
  3. Endergonic, and the forward reaction occurs at the same rate as the reverse reaction.
  4. Exergonic, and the forward reaction occurs at the same rate as the reverse reaction.
  5. Endergonic, and at equilibrium products are at much greater abundance than reactants.
College Biochemical Pathways
Which of the following events is part of the respiratory electron transport chain?
  1. Release of CO2
  2. Reduction of CO2
  3. Oxidation of cytochromes, FADH, and NADH
  4. Reduction of NAD+
  5. None of the above
College Biochemical Pathways
When a cell uses chemical energy to perform work, it couples a(n)                              reaction with a(n)                             .
  1. endergonic .... heat
  2. exergonic .... endergonic
  3. exergonic .... spontaneous
  4. spontaneous ..... exergonic
  5. endergonic ..... spontaneous
College Biochemical Pathways
What is the second stage of glucose oxidation?
  1. citric acid cycle
  2. glycolysis
  3. glycogenisis
  4. intermediate stage
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