8. Respiration
Glycolysis
8. Respiration
Glycolysis
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- Multiple Choice
Where does the first stage of aerobic cellular respiration take place within a cell?
a) Mitochondrial matrix.
b) Inner mitochondrial membrane.
c) Intermembrane space.
d) Cytoplasm.
- Multiple Choice
Starting with one molecule of glucose, glycolysis results in the net production of which of the following sets of energy-containing products?
a) 2 NAD+, 2 pyruvate, and 2 ATP.
b) 2 NADH, 2 pyruvate, and 2 ATP.
c) 4 NADH, 2 pyruvate, and 4 ATP.
d) 6 CO2, 2 pyruvate, and 2 ATP.
- Multiple Choice
Which of the following is a result of glycolysis?
a) A net gain of four ATP per one glucose molecule.
b) Conversion of FAD to FADH2.
c) Conversion of one glucose molecule to two pyruvate molecules.
d) Conversion of NADH to NAD+.
- Multiple ChoiceWhere do the reactions of glycolysis occur in a eukaryotic cell?
- Open QuestionIn glycolysis, ________ is oxidized and ________ is reduced.a. NAD+ ... glucoseb. glucose ... oxygenc. ATP ... ADPd. glucose ... NAD+
- Open QuestionMAKE CONNECTIONS Step 3 in Figure 9.9 is a major point of regulation of glycolysis. The enzyme phosphofructokinase is allosterically regulated by ATP and related molecules (see Concept 8.5). Considering the overall result of glycolysis, would you expect ATP to inhibit or stimulate activity of this enzyme? Explain. (Hint: Make sure you consider the role of ATP as an allosteric regulator, not as a substrate of the enzyme.)