8. (2 pts) Which statement about glycolysis is NOT true? A. Two ATP are consumed and four are produced per glucose molecule B. Glycolysis does not require oxygen C. In eukaryotes, glycolysis occurs in the mitochondria D. NADH produced in glycolysis must be re-oxidized to NAD+ in a later reaction E. Glycolysis releases only a small fraction of the energy stored in glucose 9. (6 pts) Complete the glycolysis reaction below by drawing the structure of the product and entering the names of the missing enzyme and compounds in the blanks. (draw structure below) Phosphoenolpyruvate (compound) ATP Mg2+, K+ (enzyme) (compound)
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Two ATP are consumed and four are produced per glucose molecule: This statement is true. In glycolysis, 2 ATP molecules are used in the initial steps, and 4 ATP molecules are produced in the later steps, resulting in a net gain of 2 ATP molecules. Show more…
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Which of the following statements is false? A. In the preparatory phase of glycolysis, ATP is invested to convert glucose to fructose 1,6-bisphosphate. The bond between C-3 and C-4 is then broken to yield two molecules of triose phosphate. B. The main products in glycolysis include ATP, pyruvate and NADH. C. In glycolysis, a single glucose molecule breaks down into two molecules of pyruvate, which can then be broken down further to release ATP. Glycolysis itself releases four net molecules of ATP per molecule of glucose. D. Glycolysis is tightly regulated in coordination with other energy-yielding pathways to ensure a steady supply of ATP. E. A variety of D-hexoses, including fructose, galactose, and mannose, can be funneled into glycolysis.
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Which of the following statements is not true? a. Glycolysis produces most of the ATP required by aerobic organisms like us. b. Glycolysis produces pyruvate, which is consumed by the Krebs cycle. c. Glycolysis occurs in the cytosol of the cell. d. Glycolysis is the first stage of cellular respiration.
6. Which of the following statements about glycolysis is INCORRECT? a. Glycolysis involves the breakdown of glucose into pyruvate. TRUE b. Glycolysis generates 4 ATP, but consumes 2 ATP in order to proceed. c. Glycolysis involves multiple substrate-level phosphorylation events. d. Glycolysis can only proceed in the presence of oxygen.
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