Which of the following conditions must be met within the cell In order for the enzyme pyruvate carboxylase to be activated? Select all that apply. NADP+ levels must be high Phosphofructokinase must be in the activated R-state Beta-oxidation of fatty acids happening in the mitochondrial matrix AMP levels must be high ATP levels must be high

Which of the following conditions must be met within the cell In order for the enzyme pyruvate carboxylase to be activated? Select all that apply. NADP+ levels must be high Phosphofructokinase must be in the activated R-state Beta-oxidation of fatty acids happening in the mitochondrial matrix AMP levels must be high ATP levels must be high

Biochemistry

6th Edition

ISBN:9781305577206

Author:Reginald H. Garrett, Charles M. Grisham

Publisher:Reginald H. Garrett, Charles M. Grisham

Chapter21: Photosynthesis

Section: Chapter Questions

Problem 5P: The Relative Efficiency of ATP Synthesis in Noncyclic versus Cyclic Photophosphorylation If...

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Using the answer code on the right, indicate which form of energy production is being described: 1. takes place in the mitochondrial matrix 2. produces H2O as a by-product 3. results in a rich yield of ATP 4. takes place in the cytosol 5. processes acetyl-CoA 6. takes place in the mitochondrial innermembrane cristae 7. converts glucose into two pyruvate molecules 8. uses molecular oxygen 9. accomplished by the electron transport system and ATP synthase (a) glycolysis (b) citric acid cycle (c) oxidative phosphorylation
Study Figure 19.18 and decide which of the following statements is false. Pyruvate dehydrogenase is inhibited byÂ· NIADH. Pyruvate dehydrogenase is inhibited by AÎ¤Î¡. Citrate synthase is inhibited by NADH. Succinyl-CoA activates citrate synthase. Acetyl-CoA activates pyruvate carboxylase.
The Relative Efficiency of ATP Synthesis in Noncyclic versus Cyclic Photophosphorylation If noncyclic photosynthetic electron transport leads to the translocation of 7 H+/2e- and cyclic photosynthetic electron transport leads to the translocation of 2 H+/e-, what is the relative photosynthetic efficiency of ATP synthesis (expressed as the number of photons absorbed per ATP synthesized) for noncyclic versus cyclic photophosphorylation? (Assume that the CF1CF0-ATP synthase yields 3 ATP/14 H+.)
Taking into consideration glycolysis, the pyruvate dehydrogenase complex and the citric acid cycle, how many NAD+ molecules are reduced from a single molecule of dihydroxyacetone phosphate? 4 NAD+ are reduced 5 NAD+ are reduced 8 NAD+ are reduced 10 NAD+ are reduced None of the above answers are correct
Each acetyl CoA that enters in the citric acid cycle, 2 carbon dioxide molecules are released in reactions which are coupled with the production of NADH molecules from reduction of NAD+ molecules and FADH2 is alse released by reduction of FAD+. NADH and FADH2, pass their electrons to the electron transport chain, turning back into NAD+ and FAD+ Explain further
___ molecules of ATP are ultimately formed per every acetyl-CoA that enters the citric acid cycle and the remaining ATP molecules are generated via the ___ of NADH and FADH2. A) Nine; oxidation B) Ten; reduction C) Ten; oxidation D)Nine; reduction
Glucagon release triggers an increase in activity in mitochondrial pyruvate carrier (MPC). Which of the following does not account for this observation in the live A.Carbon skeleton of malate is exported to cytosol for conversion to oxaloacetate B.Pyruvate is the primary source for generating acetyl-CoA C.Glucose is being produced via gluconeogenesis D.Low blood sugar is triggers glucagon release to allow for glucose production by the liver
in the mitochondria pyruvate is converted into acetyl CoA so then acetyl CoA make its way to the TCA cycle and produces energy sources for oxidative phosphorylation. Pyruvate oxidation transforms pyruvate, a three-carbon molecule, into acetyl, a two-carbon molecule linked to Coenzyme A, generating NADH and releasing one carbon dioxide molecule in process the citric acid cycle is fundamental because runs on acetyl CoA as its fuel. i need more explanantion
Which of the following statements about FAD is FALSE? a. More ATP is produced from the high-energy electrons carried by FADH2 than from those of NADH b. Electrons stored in FADH2 are used in oxidative phosphorylation c. FADH2 has more chemical potential energy than FAD d. FADH2 enters the electron transport chain at Complex 2 e. FAD is reduced into FADH2 during the Citric Acid Cycle
If decanoic acid (10 : 0) undergoes complete β-oxidation in mitochondria, how many net ATP is yielded? (NADH = 2.5 ATP; FADH2 = 1.5 ATP; Acetyl CoA = 10 ATP) Answer in number only
Which of the following statements is correct about oxidative pentose phosphate pathway? Group of answer choices It generates NADH It oxidizes NADPH to NADP+ The pathway supplies ribose 5-phosphate and NADPH in the quantities the cell requires Glucose 6-phosphatase catalyzes the rate-limiting reaction of the pathway
Since in this patient pyruvate kinase is abnormal not only is less pyruvate made but intermediates above pyruvate in the glycolytic pathway build up slowing the pathway. which of the following would be expected? A.ADP to ATP ratios would be elevated above normal. B.NADP+ would increase relative to NADPH. C.Ribulose 5-phosphate levels would decrease. D.NADH to NAD+ ratios would decrease. E.Methemoglobin levels would increase. Explanation for answer in no. 6: