Requires glucose Partially breaks down elucose Uses sufates/nitrates as electron

Question

Requires glucose Partially breaks down elucose Uses sufates/nitrates as electron accep In the ETC Ocours in the minechondria osidetive phosphorylation is the final sp i cellular respiration 10 List the follewing steps of oxidative phosphorylation from beginning (hop) to end (bettom H-ios are pumped across the mitochondriai membrane to estabinh an electrochemical gradient H+ ions fow dwn the radient to generate ATP . Electrons are transterred to molecules in the beging of the electron transport chain .Electrors are trasferred to onyern crsing t to spit and take up H- ons which forms water 11. Which of the fol owing statements best s true of the Ke? A The Krebs cycle occurs as part of both ce ular repir ation and photosyetheus B Oxygen and water are produced in the Knebs cycle D Not all living things engage in the Krebs cydle 12. Gwen is investigating how exercise afflects the rate at which she can scuceee a ball After several minutes, she begins to experience muscle soreness and fatigue. She krows that this means her muscles are beginning to run out of oxygen Which process is likely causing the soreness in her muscle cels A Lactic acid fermentation B Photosynthesis C Alcohol fermentation D Krebs cycle Identify each of the following molecules as either a reactant or a product of cellular respiration

Explanation / Answer

11. as cellular respiration and photosynthesis help eaach other , like , during photosynthesis, the plant needs carbon dioxide and water both of which are released into air during respiration . and when respiration occurs, the plant need oxygen and glucose which are produced by photosynthesis.

cellular respiration uses energy in glucose to produce ATP. aerobic respiration occurs in three stages: glycolysis , kreb cycle and electron transport.

therefore, option A is correct.

12. it is the Lactic acid fermentation where lactic acid builds up into the cells causing soreness in muscles . lactic acid is normal byproduct of muscle metabolism but it discomforts the muscle during prolonged exercising because of depleted oxygen levels as the oxygen demands become much higher .

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