Which of the following statements are TRUE? O a. Phosphofructose kinase (PFK) is used exclusively for anaerobic glycolysis O b. Mitochondria cannot produce ATP from protein and fat O c. Mitochondria are not used in high intensity exercise but are the only system responsible for ATP production during light and moderate intensity exercise O d. From a single glucose molecule, mitochondria form much more ATP than comes directly from glycolysis
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- With regards to glycolysis, all of the following statements are FALSE except. O a. glycolysis occurs in the mitochondria O b. 1 ATP are used in the energy payoff phase c. 2 ATP are formed in the energy payoff phase d. 4 net ATP are formed e. glycolysis does not require oxygen Next page OYou are working in a lab and want to assess ETC activity in response to various compounds. To do this, you isolate mitochondria and measure oxygen consumption before and after the addition of those compounds. In this experiment, the isolated mitochondria have a basal level of oxygen consumption and they have plenty of ADP and Pi. Match the following treatments with the outcomes: Glucose Fuel for ETC function AND an ATP synthase inhibitor Fuel for ETC function AND an ATP synthase inhibitor with succinate Fuel for ETC function AND an uncoupler Fuel for ETC function AND an ATP synthase inhibitor AND an uncoupler ATP synthase inhibitor AND succinate ATP synthase inhibitor AND succinate AND an uncoupler ATP synthase inhibitor AND an uncoupler 1) No effect on oxygen consumption. 2) Decrease in oxygen consumption. 3) Increase in oxygen consumption.Which of the following statements summarizes glycolysis?O c. Consume 4 ATP and produces 2 ATP, 2 NADH and 2 pyruvatesO a. Consume 2 ATP and produces 2 ATP, 2 NADH and 2 pyruvatesO d. Consume 2 ATP and produces 4 ATP, 4 NADH and 2 pyruvatesO b. Consume 2 ATP and produces 4 ATP, 2 NADH and 2 pyruvates
- With regards to glycolysis, all of the following statements are FALSE except . a. glycolysis does not require oxygen o b. 4 net ATP are formed O c. 2 ATP gre formed in the energy payoff phase d. 1 ATP are used in the energy payoff phase e. glycolysis occurs in the mitochondriaMark the following statements as true or false. If a statement is false, correct it to make a true statement. a. Stored ATP and creatine phosphate are immediate energy sources for muscle fibers. b. Glycolytic catabolism occurs in the mitochondria and requires oxygen. c. Glycolytic catabolism provides enough ATP to fuel from several minutes to a few hours of activity. d. Oxidative catabolism may oxidize the products of glycolysis, fatty acids, and amino acidsWhich of the following is associated with the process of ATP re-synthesis during exercise? a. The energy necessary is captured, in part, by the oxidation of electron transporter molecules (NADH, FADH2) b. Reliant upon release of stored energy obtained from dietary intake c. A process that requires energy as a substrate in order to drive the biochemistry of re-synthesis d. Facilitated through a blending of both anaerobic and aerobic metabolic pathways e. All of the above are true f. Only B and D are true
- Steps in oxidative phosphorylation involves all of the following except 11. a. The phosphorylation energy is supplied by ATP metabolism b. Electron transfer chain moves electron from NADH and FADH2 to O2 c. Phosphorylation of ADP to ATP catalyzed by ATP synthase d. Electron do not flow to oxygen unless ATP is needed 12. List factors that can activate glucokinase for glucose metabolism in the liver 13. What are the functions of macromolecules with examples? Write the general balanced equation that shows the catabolism of glucose (GLYCOSLYSIS) to ATPS, carbon dioxide, and water. Include in the equation the formation of ATP from ADP and phosphate and oxygen utilization. 14. 15. What is post-translational processing of proteins and list 3 things that can happen to the proteins synthesized at this stage:Which one of the following chemical equations represent the aerobic cellular respiration? a. 6CO2 + 6H20 + Sunlight - > CH1206 + 602 b. CoH120+602-> 6C02 + 6H20 + 38 ATP molecules c. CoH120+602- 6C0, +6H,0 + 36 or 38 ATP molecules + heat d. CaH120+02 CO2+ H0+36 or 38 ATP molecules + heat choiceName what is asked: a. enzyme that is inhibited in the glycolytic pathway whenever the cell has ample ATP and is well supplied by other fuels such as fatty acidsb. resulting molecule(s) during the investment phase of glycolysisc. glycolytic substrate which is the precursor of the pentose phosphate pathway
- With regards to glycolysis, each of the following statements are correct except . a. 2 pyruvate molecules are produced b. ATP molecules are used and produced O c. 2 NADH are produced O d. glucose is the substrate e. 2 CO2 molecules are produced Next pageATP production is limited from glycolysis in strenuously exercising muscle or when yeast are fermenting carbohydrates in closed vessels. The limiting factor is Select one: a. the increased acidity from lactic acid causing muscle damage b. the accumulation of CO, c. the lack of ATP to continue glycolysis d. the lack of organic fuel molecules to oxidize e. the need to regenerate NAD+Why does anaerobic respiration occur during vigorious exercise?a. during anaerobic respiration, enzymes make more ATP than during aerobic exercise.b. Anaerobic respiration releases more energy from glucose tan aerobic respiration.c. There maybe insuffiecient oxyen supplied to the muscle cells.d. Carbon dioxide builds up in the respiring muscle cells.
