3Compound A is an optically active mixed triglyceride, for which the following apply:a) contains three different fatty acids and has molecular formula C55H10406.b) by catalytic hydrogenation it is converted into a new triglyceride, B, which is notoptically active.c) the transesterification of B under the influence of methanol in an acidic environmentgives three products (C, D and glycerol) of which C has a total of 21 carbon atoms.Determine the two possible structures of A and the structures of B, C and D.

### Triglycerides and Fatty AcidsTriglycerides are esters derived from glycerol and three fatty acid…

Answered: 3 Compound A is an optically active…

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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Similar questions

4. a) Structures A, B and C are derivatives of penicillin Н NHH +x A i) ii) iii) CO₂H HH Ex B CO₂H R Describe briefly how the activity of B and C compares with A. b) The biosynthesis of penicillin involves two amino acids с Name the two amino acids. What is the name of the enzyme inhibited by the penicillin? What does penicillin mimic in bacteria cell wall synthesis?
Write out the structures for the cofactors involved in the following biochemical reactions: a) Methylation. b) Amino acid decarboxylation. c) A Claisen reaction. d) Ketoacid decarboxylation. e) Aldehyde reduction s ils otvteimaoomate nglaas bns vilanebl (d ienoiamlalblos tom orls ylianabl (o uencioiqeb of ezed aldstiua s jang2 (b adullb diiw aem (OatHer) nihshsw ( otsibammi dainiw (OatHer) 1aubong wan alobizobyrd moiboe ordt nadw owxim
Will rate ASAP Which of the following amino acid residues would not provide a side chain for acid-base catalysis at physiological pH? (Assume pK values of each amino acid are equal to the pK value for the free amino acid in solution.) I. leucine II. lysine III. aspartic acid IV. histidine A) I, II, III B) I, II C) I D) II E) I, III
If D-glyceraldehyde-3-phosphate (DGAP) is dissolved in water, 96% of it will form dihydroxy- acetonephosphate (DHAP). Which of the following will triose phosphate isomerase do? a)Shift the balance to 100% DHAP b)Shift the balance to 0% DHAP c)Shift the balance to 50 DGAP : 50 DHAP d)Catalyze the peptide bond breaking e)Make the reaction faster
If D-glyceraldehyde-3-phosphate (DGAP) is dissolved in water, 96% of it will form dihydroxy- acetonephosphate (DHAP). Which of the following will triose phosphate isomerase do? a)Shift the balance to 100% DHAP b)Shift the balance to 0% DHAP c)Catalyze the peptide bond breaking d)Make the reaction faster
Stearidonic acid (C18H28O2) is an unsaturated fatty acid obtained from oils isolated from hemp and blackcurrant (see also Problem 10.11). a. What fatty acid is formed when stearidonic acid is hydrogenated with excess Hạ and a Pd catalyst? b. What fatty acids are formed when stearidonic acid is hydrogenated with one equivalent of Hz and a Pd catalyst? c. Draw the structure of a possible product formed when stearidonic acid is hydrogenated with one equivalent of H2 and a Pd catalyst, and one double OH stearidonic acid bond is isomerized to a trans isomer. d. How do the melting points of the following fatty acids compare: stearidonic acid; one of the products formed in part (b); the product drawn in part (c)?
What peptides are expected to be produced when α-melanotropin is cleaved by (a) trypsin, (b) cyanogen bromide, or (c) thermolysin? (as shown)
Phosphatidylinositol is formed using phospholipid synthesis strategy #1. Given this information, which of the following statements is true? (A) CTP reacts with diacylglycerol.(B) Synthesis of phosphatidylinositol requires functional lipin enzyme.(C) Synthesis of phosphatidylinositol requires that the alcohol head group is activated. (D) CDP-inositol reacts with diacylglycerol.(E) CDP-diacylglycerol reacts with inositol.
Given the following choices,a. what is the structure of the product of the reaction catalysed by ACAT?b. structure of the product produced from the reaction catalysed by phospolipase A2?c. general structure of TAGd. structure of glycerol
describe a detailed experimental procedure for the chemical synthesis of proteins with the α-ketoacid hydroxylamine (KAHA ligation), using (S)-5-oxaproline (Opr) as a key building block.
Determine the sequence of the following 10-mer of ferritin using the data below. i. Complete acid hydrolysis of the 10-mer results in identification of 1A, 1D, 1E, 1F, 1H, 1K, 2L, 1T, 1Y ii. Digestion of the 10-mer with chymotrypsin results in 3 fragments containing (D, H, K, T), (F, L) and (A, E, L, Y) iii. Digestion of the 10-mer with V8 protease, which cuts on the C-side of acidic amino acids, results in three fragments containing (D, F, L, Y), (A, E, L) and (H, K, T) iv. Digestion with trypsin results in a fragment H-T and a fragment with all the other amino acids v. Treatment of the 10-mer with FDNB followed by complete acid hydrolysis results in the following two derivatives, DNP-1 and DNP-2 vi. Treatment of the 10-mer with a carboxypeptidase results in a free threonine
Using condensed structures, supply an outline of the mechanism for the formation of Gly-Gly in the human body. (Hint: It is not a simple condensation reaction).

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