Explain the features that generally distinguish (at least three) pathways of catabolism from pathways of anabolism?
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Explain the features that generally distinguish (at least three) pathways of catabolism from pathways of anabolism?
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- DEFINE THE FOLLOWING TERMS: a) Metabolism b) Catabolism c) Anabolism Please explain this in-detailed and longer, thank you.which of the following functions matches with the coenzyme functions: a.) facilitate redox reaction in the anabolic pathway b.) carry acyl group via a thioester bond c.) facilitate redox reaction involving C=O in the catabolic pathway d.) facilitate redox reaction involving C=C CoEnzymes to pair the functions from: NAD+ FAD NADP+ Coenzyme AIn the metabolic pathway, A->B->C->D->E what effect would molecule E likely have on the enzyme that catalyzes A->B? (The answer is A. Could you justify the reason why the answer is A?) a) Allosteric inhibitor b)Allosteric activator c) Competitive inhibitor d) feedback activator e) coenzyme
- What metabolic products are formed from pyruvate in each case: a) anaerobic conditions in the body b) anaerobic conditions in yeast c) aerobic conditionsa) Write the general equation for cellular respiration. i) Based on the equation in 3a, what happen to the glucose and oxygen molecules during the redox reaction? Determine whether cellular respiration is an endergonic or exergonic process. Explain your answer. b) List the reactants and products for the process given i) Glycolysis. Reactants: Products (net): i) Citric acid cycle. Reactants: Products: c) How is ATP produced during Glycolysis and Citric acid cycle? d) Describe the process of ATP production by ATP synthase in oxidative phosphorylation.A plot of the velocity v, or rate, of an enzymatic reaction vs. the substrate concentration [S] that is sigmoid or S abaned instead of hyperbolic is characteristic of: a) b) allosteric enzymes modulator proteins isozymes proenzymes zymogens
- Differentiate Catabolism and anabolism and give examples for each typeConsider a hypothetical metabolic pathway involving four enzymes to convert molecule A into molecule E: Enz, E Enz 1 Enz 2 Enz 3 A 1) A O2) B Which molecule is most likely to be a feedback inhibitor that, when present in high concentrations, will reduce the flow of material through the pathway? 3) C 04) D B 05) E C D 6) none of these The activity of an allosteric enzyme will be greatest when 1) the pH is optimal for the enzyme. 2) most of the enzyme molecules are in the R conformation. 3) most of the enzyme molecules are in the T conformation. 4) there are equal numbers of enzyme molecules in the R and T conformations. puiss What will be the effect on the structure of an allosteric enzyme if a negative allosteric effector is added to a solution of the enzyme? 1) There will be a shift in the equilibrium between the R and T forms; the amount of T will increase. 2) There will be a shift in the equilibrium between the R and T forms; the amount of R will increase. 3) The enzyme will be…14) Which of the following statements is true under the conditions provided: the enzyme concentration is 0.5 nM, substrate concentration is 10 µM, and the KM = 20 µM? a) The enzymatic reaction occurs at maximal velocity. b) The enzymatic reaction occurs between half-maximal and maximal velocity. c) The enzymatic reaction occurs at around half-maximal velocity. d) The enzymatic reaction occurs at between zero and half-maximal velocity. e) Not enough information given to know about the enzymatic reaction rate.
- 1) Define the following terms: Aerobic: Anaerobic: Obligate: Facultative: 2) Briefly explain why oxidation-reduction reactions are important in metabolism.Statins are competitive inhibitors that target HMG CoA reductase to decrease plasma cholesterol. a) What effect statin has on the enzyme's Km, b) How can we reverse a competitive inhibitor's effect? a) Increases Km, b) Increasing the [S] a) decreasing Km, b) Increasing the [S] a) Increases Km, b) decreasing the [S] a) No effect on Km, b) Inhibitor cannot be reversedIndicate whether the statement is true for aerobic respiration, photosynthesis or both: NADH is oxidized to NAD+ at complex I a)Aerobic Respiration b)Photosynthesis c)Both