BS 161 Class 13 questions with verified answers
Approximately how many ATP does one NADH molecule produce? Ans✓✓✓ 2.5
At the end of glycolysis, the carbon molecules originally found in the starting
glucose molecule are in the form of: Ans✓✓✓ two pyruvate molecules.
Bread making requires yeast, flour, and water. Why is yeast used? Ans✓✓✓ The
carbon dioxide released during ethanol fermentation makes the bread rise.
Cellular respiration is a series of ______ reactions. Ans✓✓✓ catabolic
Complete oxidation of glucose to CO2 involves two different mechanisms for
synthesizing ATP: oxidative phosphorylation and substrate-level phosphorylation.
Which is TRUE of substrate-level phosphorylation? Ans✓✓✓ An enzyme catalyzes
the transfer of a phosphate group to ADP from an organic molecule to form ATP.
Even though the full oxidation of glucose is exergonic, some of the reactions in
cellular respiration are endergonic Ans✓✓✓ True
Glycolysis is: Ans✓✓✓ anaerobic.
How did the earliest organism on Earth most likely produce ATP? Ans✓✓✓ by
glycolysis
How many reactions in glycolysis directly generate ATP? Ans✓✓✓ 2
Approximately how many ATP does one NADH molecule produce? Ans✓✓✓ 2.5
At the end of glycolysis, the carbon molecules originally found in the starting
glucose molecule are in the form of: Ans✓✓✓ two pyruvate molecules.
Bread making requires yeast, flour, and water. Why is yeast used? Ans✓✓✓ The
carbon dioxide released during ethanol fermentation makes the bread rise.
Cellular respiration is a series of ______ reactions. Ans✓✓✓ catabolic
Complete oxidation of glucose to CO2 involves two different mechanisms for
synthesizing ATP: oxidative phosphorylation and substrate-level phosphorylation.
Which is TRUE of substrate-level phosphorylation? Ans✓✓✓ An enzyme catalyzes
the transfer of a phosphate group to ADP from an organic molecule to form ATP.
Even though the full oxidation of glucose is exergonic, some of the reactions in
cellular respiration are endergonic Ans✓✓✓ True
Glycolysis is: Ans✓✓✓ anaerobic.
How did the earliest organism on Earth most likely produce ATP? Ans✓✓✓ by
glycolysis
How many reactions in glycolysis directly generate ATP? Ans✓✓✓ 2
