From the pairs below, which of the following pairs would represent a futile cycle considering that they were both activated at the same time? a. Glycolysis and glycogenolysis b. Glucogenesis and glycolysis c. Glucogenesis and glycogen synthesis d. Gluconeogenesis and glycogenolysis
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From the pairs below, which of the following pairs would represent a futile cycle considering that they were both activated at the same time?
a. Glycolysis and glycogenolysis
b. Glucogenesis and glycolysis
c. Glucogenesis and glycogen synthesis
d. Gluconeogenesis and glycogenolysis
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- Which of the following steps occurs during the payoff phase of glycolysis? A. the conversion of phosphoenolpyruvate to pyruvate B. the conversion of fructose 6-phosphate to fructose 1,6-biphosphate C. the conversion of glucose 6-phosphate to fructose 6-phosphate D. the conversion of glucose to glucose 6-phosphateHow many steps are catalyzed by the same enzymes in both glycolysis and gluconeogenesis? a. 8 b. 7 c. 6 d. 9a- Krebs cycle is the subsequent pathway of glycolysis. Although, pyruvate is the last product of glycolysis why the Krebs cycle does not initiate with pyruvate? b-Describe the roles of the NADH and FADH2 in glucose break down reactions.
- In the Alanine Cycle, different organs work together to produce glucose from protein. Which statement below best describes what happens in which organ? a)In liver, pyruvate is transaminated to alanine; in the muscle, alanine is deaminated and pyruvate is used for ATP synthesis. b)In muscle, pyruvate is transaminated to alanine; in the liver, alanine is deaminated and pyruvate is used for gluconeogenesis. c)The liver exports glucose for use by the brain; in the muscle, alanine is deaminated by the urea cycle for use in ATP generation. d)In muscle, pyruvate is transaminated to alanine; in the liver, alanine enters the urea cycle for excretion.Which statement is TRUE regarding the glycolytic pathway? a. It includes five phosphate transfer reactions. b. All of the enzymes that are regulated by product inhibition. c. It includes reactions catalyzed by three isomerase enzymes. d. All of the enzymes are regulated by high ATP concentratrionPrincipal enzyme for the regulation of glycogenesis? a. phosphoglucomutase b. glycogen synthase c. glucose-6-phosphatase d. glycogen phosphorylase
- A7) Name the two enzymes that conduct substrate-level phosphorylation during glycolysisGive typing answer with explanation and conclusion How will a mutation in step 6 of glycolysis affect the products being produced? In other words, what happens to the products of the dehydrogenase doesn’t work properly?Which of the following steps is TRUE about the energy investment phase of glycolysis? A. ATPs are consumed. B. ATPs are produced. C. NADH is consumed. D. NAD+ is produced.
- Select the best answer or answers from the choices given: The formation of glucose from glycogen is (a) gluconeogenesis, (b) glycogenesis, (c) glycogenolysis, (d) glycolysis.What might you expect if a mutation caused the ATP-allosteric site on phosphofructokinase to be permanently inactive? a. Less glucose transported into the cell. b. No effect on ATP production. c. Decreased ATP production d. Excessive ATP production.Which of the following is FALSE about glycolysis? a. The pathway axidizes two moles of NADH to NAD* for each mole of glucose. b. The pathway requires two moles of ATP to get started catabolizing each mole of glucose. c. ADP is phosphorylated to ATP via substrate -level phosphorylation. d. The pattivay produces pyruvate as one of its products.