Which of the following normally occurs regardless of whether or not oxygen (O2) is present? A) glycolysis B) fermentation C) oxidation of pyruvate to acetyl CoA. What is the term f... Which of the following normally occurs regardless of whether or not oxygen (O2) is present? A) glycolysis B) fermentation C) oxidation of pyruvate to acetyl CoA. What is the term for metabolic pathways that release stored energy by breaking down complex molecules? A) anabolic pathways B) catabolic pathways C) fermentation pathways. The molecule that functions as the reducing agent (electron donor) in a redox oxidation-reduction reaction? A) gains electrons and gains potential energy B) loses electrons and loses potential energy C) gains electrons and loses potential energy. Which of the following statements describes NAD+? A) NAD+ is reduced to NADH during glycolysis, pyruvate oxidation, and the citric acid cycle. B) NAD+ has more chemical energy than NADH. C) NAD+ is oxidized by the action of hydrogenases. D) NAD+ can donate electrons for use in oxidative phosphorylation. Which of these equations describes aerobic cellular respiration? A) glucose → lactic acid + energy B) energy + carbon dioxide + water → glucose + oxygen + water C) glucose + ethanol → alcohol + carbon dioxide + energy D) glucose + oxygen → carbon dioxide + water + energy. The oxygen consumed during cellular respiration is involved directly in which process or event? A) glycolysis B) the citric acid cycle C) accepting electrons at the end of the electron transport chain D) the oxidation of pyruvate to acetyl CoA. Which of the following is the correct sequence of stages in cellular respiration? A) glycolysis, citric acid cycle, electron transport chain B) citric acid cycle, glycolysis, electron transport chain C) citric acid cycle, electron transport chain, glycolysis D) electron transport chain, glycolysis, citric acid cycle. In addition to ATP, what are the end products of glycolysis? A) CO2 and H2O B) CO2 and pyruvate C) NADH and pyruvate D) CO2 and NADH.
Understand the Problem
The question consists of multiple-choice items related to cellular respiration and metabolic pathways in biology. It asks about various concepts such as glycolysis, catabolic pathways, oxidation-reduction reactions, and products of glycolysis.
Answer
1) A, 2) B, 3) B, 4) A, 5) D, 6) C, 7) A, 8) C
- A) glycolysis 2) B) catabolic pathways 3) B) loses electrons and loses potential energy 4) A) NAD+ is reduced to NADH during glycolysis, pyruvate oxidation, and the citric acid cycle 5) D) glucose + oxygen → carbon dioxide + water + energy 6) C) accepting electrons at the end of the electron transport chain 7) A) glycolysis, citric acid cycle, electron transport chain 8) C) NADH and pyruvate
Answer for screen readers
- A) glycolysis 2) B) catabolic pathways 3) B) loses electrons and loses potential energy 4) A) NAD+ is reduced to NADH during glycolysis, pyruvate oxidation, and the citric acid cycle 5) D) glucose + oxygen → carbon dioxide + water + energy 6) C) accepting electrons at the end of the electron transport chain 7) A) glycolysis, citric acid cycle, electron transport chain 8) C) NADH and pyruvate
More Information
Glycolysis is an anaerobic process occurring with or without oxygen. Catabolic pathways involve breaking down complex molecules to release energy. The reducing agent loses electrons.
Tips
Confusing glycolysis with aerobic processes. Remember, glycolysis is anaerobic.
Sources
- Which of the following normally occurs regardless of whether or not ... - homework.study.com
- Biochemistry, Anaerobic Glycolysis - StatPearls - NCBI Bookshelf - ncbi.nlm.nih.gov
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