CELLULAR RESPIRATION OVERVIEW QUESTIONS WITH CORRECT ANSWERS

What is the definition of anaerobic?


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without oxygen




According to Model 1, what are the reactants of cellular respiration?


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glucose and oxygen




Is a hydrogen ion with its positive charge likely to be attracted to NAD+, FAD, or O2
without an input of free energy?

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No, because hydrogen is attracted to more negatively charged ions




According to Model 1, glucose undergoes the following changes during cellular
respiration. In each step NADH or FADH2 is produced. Is glucose being oxidized or
reduced during cellular respiration?


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Glucose is being oxidized because it gives electrons to NAD+ and FAD




Validate your answer by comparing the ratio of carbon atoms to oxygen atoms in the
chemical formulas of glucose (C6H12O6) versus corona dioxide (CO2).


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Glucose ratio--> 1C:1O
Carbon Dioxide ratio--> 1C:2O
Since carbon dioxide has more oxygen per carbon it is the more oxidized
form




What reactants must be available in the cell to make NADH to be produced?


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NAD+ and H+ must be available