When palmitate and [14c)CoEnzymeA are added to the cytosol of cells, these molecules are converted to palmitoyl COA. Answer the following question: this fact. For the conversion of palmitate to palmitoylCoA to go to completion will require 2 ATP. OA. 1 ADP. O B. 1 AMP. OC. OD. 1 ATP, 2 COASH
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Please help, thanks!
![When palmitate and [1"C]CoEnzymeA are added to the cytosol of cells, these molecules are converted to palmitoyi CoA. Answer the following questions related to
this fact.
For the conversion of palmitate to palmitoylCOA to go to completion will require
2 ATP.
OA
1 ADP.
OB.
1 AMP.
OC.
1 ATP.
OD.
2 COASH.
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- How Do Vitamin-Derived Coenzymes Aid Metabolism? What chemical functionality is provided to enzyme reactions by pyridoxal phosphate (we Chapter 13)? By coenzyme A (see Chapter I9)? By vitamin B12 (see Chapter 23)? By thiamine pyrophosphate (see Chapter 19)?Similar to the activity in our muscle cells, certain bacteria canutilize sugars by aerobic cellular respiration (which requiresoxygen) or by fermentation (which does not). However, like musclecells, these bacteria only use fermentation when oxygen is notavailable. Why is aerobic respiration preferable? What is thespecific role of oxygen in this process?Draw the pathway for the conversion of Propionyl CoA to Succinyl CoA as it occurs in thematrix of the mitochondria. Show the structures and names of all reactants and products, as well asthe names of the enzymes. You do not need to draw the structures of ATP, NAD+, CoA, etc., but doshow them as reactants or products in the appropriate places. You do not need to show themechanisms of the enzymes. Draw the pathway for the conversion of Succinyl CoA into 4 CO2. Show the structures andnames of all reactants and products, as well as the names of the enzymes. You do not need to drawthe structures of ATP, NAD+, CoA, etc., but do show them as reactants or products in the appropriateplaces. You do not need to show the mechanisms of the enzymes. How many ATPs would be generated by the complete oxidation of Propionyl CoA into 3 CO2using any of the required enzymes of -oxidation, gluconeogenesis, glycolysis,the citric acid cycle andoxidative phosphorylation?
- Which of the following statements about the malate-aspartate shuttle is false? a) 2.5 ATPs are formed per cytoplasmic NADH shuttled. b) Transamination is involved. c) Cytoplasmic oxaloacetate is converted to malate. d) Mitochondrial malate is converted to oxaloacetate. e) Antiport transport is not involved.Which of the following statements is CORRECT regarding the pentose phosphate pathway? a. It has two reactions that produce NADPH in its oxidative phase. b. The pentose phosphate pathway is also called hexose diphosphate shunt. c. The pathway generates FADH2. d. NAPH is produced in the non-oxidative phase of the pathway.The production of ATP (cellular respiration) is actually a(n) rxn. However, the reaction requires the of Glucose. A. catabolic : anabolism B. anabolic : catabolism C. exergonic : endergonic conversion D. hydrolytic : dehydration
- Upon considering the complete oxidation of one mole of fatty acyl (CoA) of an arachidic acid (20:0). Answer the following lettersa. Rounds of beta oxidationb. total no. of acety CoA producedc. total no. of NADH produced from all rounds of beta oxidariond. total no. of FADH2 produced from all rounds of beta oxidationCitrulline is one metabolite whose levels are “out of range.” The unusual levels of citrulline could be explained bythe loss of function of which enzyme? Draw the reaction catalyzed by this enzyme.Of eight enzymes in the CAC, why is the succinate dehydrogenase complex unique? Because it is a component of the electron transport chain Because it catalyzes an oxidative reaction Because it is an integral membrane protein All of the above Only A and C
- In which of the given steps of TCA cycle one C is lost from substrate in the form of CO2 as well as a molecule of NAD+ is reduced? a.Oxalosuccinic acid to a-ketoglutaric acid b.Isocitrate to oxalosuccinic acid c.Malic acid to oxaloacetic acid d.a-ketoglutaric acid to succinyl CoAWhat reactions of respiration are considered the tricarboxylic acid cycle? Select one or more: a. Ethanol Fermentation b. Lactate Fermentation c. Citric Acid Cycle d. Pyruvate Prep e. Electron Transport System f. GlycolysisWhich of these is not true of the electron transport chain?a. The electron transport chain is located on the cristae of themitochindria.b. The electron transport chain produces more NADH than anymetabolic pathway.c. The electron transport chain contains cytochrome molecules.d. The electron transport chain ends when oxygen acceptselectrons.
