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17. Which of the following would be an inappropriate biochemical response to low blood sugar? A....
16. Which reaction of glycolysis includes substrate-level phosphorylation, a very different mechanism than oxidative phosphorylation? A....
16. Which reaction of glycolysis includes substrate-level phosphorylation, a very different mechanism than oxidative phosphorylation? A. Phosphoglycerate kinase B. Hexokinase C. Pyruvate kinase D. Phosphofructokinase-1 E. All above 17. Which of the following would be an inappropriate biochemical response to low blood sugar? A. Increase gluconeogenesis to produce glucose. C. Increase pentose phosphate, nonoxidative phase. B. Increase pentose phosphate, oxidative phase. D. Inhibit glycolysis.
18. Which of the following statements is not true concerning glycolysis in anaerobic muscle A. Its...
18. Which of the following statements is not true concerning glycolysis in anaerobic muscle A. Its rate is slowed by a high (ATP]/(ADP) ratio B. It results in no change of NADH C. It results in net synthesis of ATP D. It is an endergonic process 19. Which of the following enzymes catalyzes the first committed step of glycolysis? A. phosphofructokinase B. hexokinase C. phosphoglucomutase D. glucose-6-phosphate isomerase E. triose phosphate isomerase
14. Which of the following sugars could be transformed into fructose 6-phosphate if glucose and glucose...
14. Which of the following sugars could be transformed into fructose 6-phosphate if glucose and glucose phosphates were no longer available? A. Galactose B. Mannose C. Lactose D. Amylose E. Trehalose 15. Which pathway leads to a loss of carbon, which is undesirable in organisms that cannot fix carbon? A. Glycolysis B. Gluconeogenesis C. Pentose phosphate, nonoxidative phase D. Pentose phosphate, oxidative phase E. None of the above.
1. 2. 3 The Cori cycle involves which of the following processes? (select all that apply)...
1.
2.
3
The Cori cycle involves which of the following processes? (select all that apply) gluconeogenesis urea cycle citric acid cycle glycolysis (aerobic conditions) glycolysis (anaerobic conditions) transamination 0 beta-oxidation Which of the following is the electron carrier produced in the pentose phosphate pathway? FADH2 NADPH ubiquinone cytochrome C NADH Attaching coenzyme A to a fatty acid at the beginning of beta-oxidation requires: 2 ATP equivalents 1 ATP equivalent 3 ATP equivalents 4 ATP equivalents
2) if a single glucose molecule was completely catabolized to 2 pyruvate, then the liver built...
2)
if a single glucose molecule was completely catabolized to 2
pyruvate, then the liver built the 2 pyruvate back to glucose, how
much free energt would be lost?
4) at which glycolysis metabolite does glycogen synthesis amd
the pentose phosphate pathway branch off from?
MIBROS JUJILOR DUE 3/13 at the beginning of class CHOH ресто points) OPOCH HO PHY OH OR equal ts3 > Loc Energy 50 Investmen when Phase n ] ohuoc but at Glucose 1)(6) Fill in...
12/25 answered Click on glycolysis if would like to review it in details. Glucose Preparatory phase...
12/25 answered Click on glycolysis if would like to review it in details. Glucose Preparatory phase first ATP Phosphorylation of glucos and its conversion to glyceraldehyde 3-phosphat Priming © > ADP Glucose 6-phosphate 1-0 Hz Hexokinase ΝΟΗ Η e Phosphohexose isomerase Fructose 6-phosphate ATP (8 Phospho- fructokinase-1 primins и он -OCH, CH-OH HOH он и ©--CH, CH-0- Кинон Aldolase ADP Fructose 1,6-bisphosphate (6) Triose phosphate somerase eleava oferte suar phosphate to two carbon sur phosphate Glyceraldehyde 3-phosphate udehyde a phosphate...
- Attempt 1 ar Respiration and fermentation summary ③ 3 ott Part C - Fermentation -...
- Attempt 1 ar Respiration and fermentation summary ③ 3 ott Part C - Fermentation - ATP production in the absence of oxygen Under anaerobic conditions (a lack of oxygen), glycolysis continues in most cells deste the fact that oxidative phosphorylation stops and its production of NAD (which is needed as an input to glycolysis) also stops. The diagram Vlustrates the process of fermentation which is used by many cols in the absence of oxygen In fermentation, the NADH produced...
1.) Which of the following is the substrate or product of the reactions that comprise the...
1.) Which of the following is the substrate or product of the reactions that comprise the oxidative phase of the pentose phosphate pathway? A) glyceraldehyde-3-phosphate B) Ribulose-5-phosphate C) Seduheptulose - 7 - phosphate D) Ribose-5-phosphate 2) The regulated reactions of gluconeogenesis have/are A) Activated by molecules indicating a low energy charge in the cell B) reversible reactions C) those thare counter to regulated reactions in glycolysis D)Large positive change in G values 3) The biosynthesis of triacylglycerols in animals uses...
. Increased levels of circulating ATP would likely inhibit which of the following pathways? a. Protein...
. Increased levels of circulating ATP would likely inhibit which of the following pathways? a. Protein synthesis b. Glycolysis c. Lipogenesis d. Glycogenesis , end product is The starting substrate for anaerobic glycolysis is and it is a pathway. a. Glucose, lactate, catabolic b. Glucose, pyruvate, anabolic C. Free fatty acids, triglyceride, catabolic d. Glycogen, glucose, catabolic
Which of the following statements about gluconeogenesis is correct? a. Because they form acetyl coA, fatty...
Which of the following statements about gluconeogenesis is correct? a. Because they form acetyl coA, fatty acids can be a substrate for gluconeogenesis. b. The reaction of phosphenolpyruvate carboxykinase is important to replenish the pool of citric acid cycle intermediates. c. The use of GTP as the phosphate donor in the phosphoenolpyruvate carboxykinase reaction provides a link between citric acid cycle activity and gluconeogenesis. d. There is a greater yield of ATP in anaerobic glycolysis than the cost for synthesis...
16. Which reaction of glycolysis includes substrate-level phosphorylation, a very different mechanism than oxidative phosphorylation? A. Phosphoglycerate kinase B. Hexokinase C. Pyruvate kinase D. Phosphofructokinase-1 E. All above 17. Which of the following would be an inappropriate biochemical response to low blood sugar? A. Increase gluconeogenesis to produce glucose. C. Increase pentose phosphate, nonoxidative phase. B. Increase pentose phosphate, oxidative phase. D. Inhibit glycolysis.
18. Which of the following statements is not true concerning glycolysis in anaerobic muscle A. Its rate is slowed by a high (ATP]/(ADP) ratio B. It results in no change of NADH C. It results in net synthesis of ATP D. It is an endergonic process 19. Which of the following enzymes catalyzes the first committed step of glycolysis? A. phosphofructokinase B. hexokinase C. phosphoglucomutase D. glucose-6-phosphate isomerase E. triose phosphate isomerase
14. Which of the following sugars could be transformed into fructose 6-phosphate if glucose and glucose phosphates were no longer available? A. Galactose B. Mannose C. Lactose D. Amylose E. Trehalose 15. Which pathway leads to a loss of carbon, which is undesirable in organisms that cannot fix carbon? A. Glycolysis B. Gluconeogenesis C. Pentose phosphate, nonoxidative phase D. Pentose phosphate, oxidative phase E. None of the above.
1.
2.
3
The Cori cycle involves which of the following processes? (select all that apply) gluconeogenesis urea cycle citric acid cycle glycolysis (aerobic conditions) glycolysis (anaerobic conditions) transamination 0 beta-oxidation Which of the following is the electron carrier produced in the pentose phosphate pathway? FADH2 NADPH ubiquinone cytochrome C NADH Attaching coenzyme A to a fatty acid at the beginning of beta-oxidation requires: 2 ATP equivalents 1 ATP equivalent 3 ATP equivalents 4 ATP equivalents
2)
if a single glucose molecule was completely catabolized to 2
pyruvate, then the liver built the 2 pyruvate back to glucose, how
much free energt would be lost?
4) at which glycolysis metabolite does glycogen synthesis amd
the pentose phosphate pathway branch off from?
MIBROS JUJILOR DUE 3/13 at the beginning of class CHOH ресто points) OPOCH HO PHY OH OR equal ts3 > Loc Energy 50 Investmen when Phase n ] ohuoc but at Glucose 1)(6) Fill in...
12/25 answered Click on glycolysis if would like to review it in details. Glucose Preparatory phase first ATP Phosphorylation of glucos and its conversion to glyceraldehyde 3-phosphat Priming © > ADP Glucose 6-phosphate 1-0 Hz Hexokinase ΝΟΗ Η e Phosphohexose isomerase Fructose 6-phosphate ATP (8 Phospho- fructokinase-1 primins и он -OCH, CH-OH HOH он и ©--CH, CH-0- Кинон Aldolase ADP Fructose 1,6-bisphosphate (6) Triose phosphate somerase eleava oferte suar phosphate to two carbon sur phosphate Glyceraldehyde 3-phosphate udehyde a phosphate...
- Attempt 1 ar Respiration and fermentation summary ③ 3 ott Part C - Fermentation - ATP production in the absence of oxygen Under anaerobic conditions (a lack of oxygen), glycolysis continues in most cells deste the fact that oxidative phosphorylation stops and its production of NAD (which is needed as an input to glycolysis) also stops. The diagram Vlustrates the process of fermentation which is used by many cols in the absence of oxygen In fermentation, the NADH produced...
. Increased levels of circulating ATP would likely inhibit which of the following pathways? a. Protein synthesis b. Glycolysis c. Lipogenesis d. Glycogenesis , end product is The starting substrate for anaerobic glycolysis is and it is a pathway. a. Glucose, lactate, catabolic b. Glucose, pyruvate, anabolic C. Free fatty acids, triglyceride, catabolic d. Glycogen, glucose, catabolic
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