Show a(１３：1)Cis Fatty-acid that is △^10 and what it is called in Omega No man clay.tur. Compared to trans version would this one or trans have higher/lowr Melting.P?why?
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Show a(１３：1)Cis Fatty-acid that is △^10 and what it is called in Omega No man clay.tur.
Compared to trans version would this one or trans have higher/lowr Melting.P?why?
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- Indicate whether each of the following disaccharides is a reducing (R) or nonreducing (NR) sugar by the criterion of reaction with Fehling’s solution. (a) Glcα(1 → 2)Frucβ (b) Galβ(1 → 4)Glc (c) Glcα(1 → 1)Glcα (d) Glcα(1 → 4)Glc (e) Glcβ(1 → 6)GlcDraw the Fischer projections representing the L forms of the following amino acids at pH higher than their isoelectric point. a) cysteine b) alanineThe isoelectric point (pI) of glutamic acid is pH 3.08. Draw the structure of the major form of glutamic acid at pH values of: a. 1.00 b. 3.08 c. 11.00.
- Draw an approximate titration curve of glycine. Label the approximate isoelectric point of the glycine on the curve and be sure to label the axis of the graph. Pk1 is 2.35 and pk2 is 9.78 for glycine.For the determination of fatty acid composition, transesterification is done in a warm aqueous solution ofa) KCl+methanolb) KOH+methanolc) NaOH+methanold) H2O+methanolIf you need to make 2L of 0.25M Glucose, how many grams of glucose do you need Formula for glucose: C6H12O6
- Are triacylglycerols : insoluble in water? very oxidized, contain-glycerol-fatty acids and spingosine, or do they possess a -1charge at 7.0 pH? can you select the true statement?Why does the violet color of the Hubble’s reagent fade away in unsaturated fats/oil?1,2-dioleoyl-3-myristyl-sn-glycerolsn-16:0-12:0-16:0LLnO Consider the TAGS abovea. Which is most prone to lipid oxidation? Explain.b. Which has the highest melting point? Explain.c. Which will most likely convert fastest to the most stable polymorphic form. Explain.
- It is desired to measure the acidity values of two solid fats coming to a food analysis laboratory. In this experiment to be carried out with the titration method, 0.1N KOH was used, and two separate titrations were made, one for the old oil and one for the new oil. As a result of the titration, 4.6 mL of KOH was spent for one and 9.1 mL of KOH for the other. If the amount of oil weighed for both is 10 g and the amount of KOH consumed in the oil-free titration is 1.2 mL, calculate the acidity values for both oils, write which value this value belongs to and the reason for it.Casein, a protein in milk, has a molecular formula C38H57O9N9. Determine the total BOD, carbonaceous BOD, and nitrogenous BOD of casein in units of “grams BOD per gram of casein”You have just used up the last of a 1.2 % m/m solution of agarose in water. You require another 100mls. How many grams of Agarose do you require? Note 1ml of water=1g What is the % w/v of a 100ml solution containing 5g of NaCl?