Microbiology

Learn the toughest concepts covered in Microbiology with step-by-step video tutorials and practice problems by world-class tutors.

12. Microbial Metabolism

Glycolysis

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concept

Glycolysis

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Problem

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.

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concept

Phases of Glycolysis

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concept

Remembering Phases of Glycolysis

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example

Glycolysis Example 1

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Problem

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.

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Problem

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+.