Which of the following accurately describes the role of oxygen in cellular respiration?A. Oxygen is the final electron acceptor in the electron transport chain.B. Oxygen is required for glycolysis to occur.C. Oxygen directly participates in the Krebs cycle.D. Oxygen is produced during oxidative phosphorylation.Question 1Answera.B and Db.A onlyc.B onlyd.A and C

Arrange the following steps of respiration a. Utilisation of O2 by cells b. Breathing c. diffusion of O2 and CO2 between blood and tissues d. transport of gases by the blood e. diffusion of gases across alveolar membraneb e d a cb d e a cb e d c ab d c a e

Which of the following correctly describes the flow of electrons during cellular respiration?Question 7Answera.Electrons flow from NADH and FADH2 to oxygen through the electron transport chain.b.Electrons flow from ATP to NADH and FADH2 in the cytoplasm.c.Electrons move from oxygen to carbon dioxide in the citric acid cycle.d.Electrons are transferred directly from glucose to oxygen in the mitochondria.

During what part of cellular respiration is the oxygen used to harvest energy from the sugar molecule by bonding to hydrogen ions to form water as a byproduct? A. Krebs cycle B. Citric acid cycle C. Glycolysis D. Electron transport chain

Which stage(s) of cellular respiration will occur in the absence of oxygen?Group of answer choicespyruvate oxidationglycolysiscitric acid cycleoxidative phosphorylation

Which of the following is TRUE to describe the pathway of electrons in aerobic respiration?*1 pointglucose → FADH2 → electron transport chain → oxygenglucose → pyruvate → ATP → oxygenglucose → pyruvate → electron transport chain → FADH2 → ATPglucose → glycolysis → Krebs cycle → FADH2 → ATP