Why is ascorbic acid regarded as an antioxidant and What is the basis of the ascorbic acid saturation test
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Why is ascorbic acid regarded as an antioxidant and What is the basis of the ascorbic acid saturation test
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- Describe the propagation stage of peroxidation reaction by showing peroxidation of oleic acid. Peroxidation of arachidonic acid is 200 times faster than oleic acid. Briefly explain that observation.A urine test on a 1-month-old baby shows a positive copper reduction test with a negative oxidase test. How should these results be reported and what is their significance?Make an experimental procedure for the synthesis of ascorbic acid from glucose:
- Table 1 - Comparison of the effect of catechol concentration on the amount of product formed. Absorbance Potato extract Absorbance 0 mins after 30mins (2nd reading) (mL) 1st reading 1 Tube # la blank 2a 3a 4a 1 1 1 dH₂O Catechol (mL) (mL) 7 5 3 1 0 2 4 6 0.00 0.060 0.033 0-05-2 Q4) Give 2 reasons for adding dH₂O to these tubes in Table 1? Time for reading: 3:21 -0.11 Absorbance: Time for reading: 3.36 Q5) Tube la serves as a control, but why is this control needed? Absorbance: 0.197 Time for reading: 3.37 Based on the data from Table 1 answer these questions: Q1) What is the name of the enzyme found in potato extract? Answer: catechol Q2) What is the substrate? Answer: THO Q3) Name of product of this enzyme catalyzed reaction? Answer: Absorbance: 0.152 Time for reading: 3:39 Absorbance: . 166 ness Catechol Benzoquinone Subtract 1st from 2nd reading -0.01 0-137 0.11.19 0.119 Q6) Notice that your 1st absorbance reading in tubes 2a-4a are quite similar but it then becomes very different…What residues mediate zinc binding in carbonic anhydrase and what role does zinc play in catalysishow to measure total activity of the acid phosphatase enzyme by using Tartrate in blood serum?
- A person did estimation of blood glucose level by glucose oxidase method. But he forgot toadd ortho - toluidine reagent during glucose oxidase reagent preparation. what is the observation of the result?“How will raising the temperature affect the regulation of RodA? what are the possible results and interpretations?Is there a possibility for lactose to give a positive Mucic Acid test? Explain.
- In a patient with DKA and increased fixed acid production, which of these enzymes' synthesis and activity is increased to produce more NH3 for excreting the h+? Group of answer choices Carbonic anhydrase Glutaminase Hexokinase Thymidylate synthaseWhy do women recieving oxytocin (to facilitate childbirth) become edematous? In the early days of oxytocin therapy, when this effect was not recognized, some women died of water intoxication. Explain.What would happen to the patient if the serum cholinesterase activity were only 10 units of activity per liter rather than the normal activity of about 80 units?