a Lactate dehydrogenase H H3C-C-COO OH L-(+)-Lactase b Creatine kinase CH, O H₂N This is a (an) NH₂ Creatine ATP Adenosine triphosphate This is a (an) ADP OOC-C-CH3 O Adenosine diphosphate Pyruvate CH, O Ỏ Ò NH, Nitt₂ Phosphocreatine
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- GTP or ATP is produced during the conversion of isocitrate into ketoglutarate succinyl CoA into succinate fumarate into malate malate into oxaloacetateRadiolabeling with 14C-Glutamate Describe the labeling pattern that would result from the introduction into the TCA cycle of glutamate labeled at Cy with 14C.Consider the synthesis and degradation of tyrosine as shown in Figures 25.37, 25.38, and 25.48 to determine where the carbon atoms in PEP and erythrose-4-P would end up in acetoacetate and fumarate.
- How many ATP may be produced from 1 mole of the following compounds on complete oxidation using the glycerol-3-phosphate shuttle? COMPOUNDSa.) Mannoseb.) Dihydroxyacetone phosphatec.) Citrated.) Malatee.) SuccinateThe malate–aspartate shuttle yields about2.5 moles of ATP for each mole of cytosolic NADH. Why doesnature use the glycerol–phosphate shuttle, which yields only about1.5 moles of ATP?Select the following enzymes that utilize a mechanism where an enediol intermediate is formed. Check all that apply: a)phosphoglucoisomerase b)triose phosphate isomerase c)aldolase d) glyceraldehyde 3-P dehydrogenase e) hexokinase
- How many molecules of ATP are produced from the complete metabolism of 2.12g of triacylglycerol containing two stearic acid chains and one palmitic acid chain? Assume that all electrons of cytosolic NADH are transferred through the dihydroxyacetone phosphate/glycerol 3-phosphate shuttleSelect the following enzymes that utilize a mechanism where ATP serves as the phosphate donor. Select ALL that apply: a) glyceraldehyde 3 phosphate dehydrogenase b) hexokinase c) aldolase class 1 d) PFK e) phosphoglucoisomeraseCopper is a cofactor in several enzymes, including lysyl oxidase and superoxide dismutase.Ceruloplasmin, a deep-blue glycoprotein, is the principal copper-containing protein in blood. It isused to transport Cu2+ and maintain appropriate levels of Cu2+ in the body’s tissues.Ceruloplasmin also catalyzes the oxidation of Fe2+ to Fe3+, an important reaction in ironmetabolism. Because the metal is widely found in foods, copper deficiency is rare in humans.Deficiency symptoms include anemia, leukopenia (reduction in blood levels of white blood cells),bone defects, and weakened arterial walls. The body is partially protected from exposure toexcessive copper (and several other metals) by metallothionein, a small, metal-binding protein thatpossesses a large proportion of cysteine residues. Certain metals (most notably zinc and cadmium)induce the synthesis of metallothionein in the intestine and liver.In Menkes syndrome intestinal absorption of copper is defective. How can affected infants…
- 3-Phosphoglycerate is a metabolite in glycolysis. Which glycolytic enzyme generates this metabolite?Von Gierke’s disease is also known as glycogen storage disease type I. Patients with von Gierke’s disease lackglucose 6-phosphatase activity. Two prominent symptoms of this disorder are fasting hypoglycemia and lactic acidosis (elevated lactate levels in the blood), especially during strenuous exercise. Explain why these symptoms occur. What chemical reaction does this enzyme catalyze? Which pathways involve this enzyme? Lacking thisthe enzyme will cause impairment of which pathways?• Pls consider what pathways are affected by Von Gierke’s disease. Include in your explanation involving Cori’s cycle. can you please do not write by your hand? I mean computer if you can. thank youUsing the glycerol-3-phosphate shuttle, determine how many ATP can be produced from one mole of each of the following compounds on complete oxidation?a.) Mannoseb.) Dihydroxyacetone phosphatec.) Citrated.) Malatee.) Succinate
