BSC1005 Ch 6 & 7

BSC1005 Ch 6 & 7 In which stage of cellular respiration is acetyl-coA produced? - Answer- Glycolysis What is an autotroph? - Answer- An organism that utilizes light energy or inorganic compounds to meet their energy requirements The citric acid cycle is considered a cycle because __________. - Answer- the last product is used in the first reaction to start the cycle over again Which of the following depicts the correct order of how molecules move through cellular respiration? - Answer- Glucose -pyruvic acid - acetic acid - acetyl CoA Which of the following is false about glycolysis? - Answer- It requires oxygen. Which stage of cellular respiration yields the greatest amount of ATP? - AnswerElectron transport chain What is cellular respiration? - Answer- The aerobic harvesting of chemical energy from organic fuel molecules The preferred source of energy for glycolysis is ___________. - Answer- glucose Match the following step of cellular respiration with the appropriate outputs. - AnswerCitric acid cycle - 2 CO2, ATP, 3 NADH, FADH2 Which molecules can be broken down to generate ATP? - AnswerGlucose,Fats,Proteins,Glycerol = All of the listed responses are correct. While serving as a visiting professor on the planet Freedonia, with infinite resources available to you, you decide to try implanting mitochondria into alien bacterial cells that can perform only glycolysis. Assuming your experiment is successful, what result would you predict? - Answer- An increase in ATP yield per glucose molecule A drug that blocks the electron transport chain would probably cause the organism to ___________. - Answer- make insufficient ATP to survive What is a true statement about cellular respiration? - Answer- It occurs in both producers and consumers. What do glycolysis and the citric acid cycle have in common? - Answer- They both produce 2 ATP Not all of the energy harvested during the chemical breakdown of food molecules is captured and stored in ATP. What happens to the rest of the energy? - Answer- It is released as heat. What is the correct order of cellular respiration? - Answer- Glycolysis - citric acid cycle - electron transport chain What is the role of fermentation in muscle metabolism? - Answer- Fermentation ensures a steady supply of NAD+ for proper glycolytic functioning during periods of low oxygen levels in muscles. Which stage of cellular respiration takes place in the cytosol? - Answer- Glycolysis Why are protons (H+) pumped across the inner mitochondrial membrane? - AnswerTheir movement back across the membrane generates ATP. Which of the following allows for ATP to be produced with the electron transport chain? - Answer- H+ concentration gradient How are photosynthesis and cellular respiration connected? - Answer- The products of