Q. 5. Give one example each of di-, tri- and tetra-saccharides.
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- а. b. trans-cyclodecene (R)-cysteine HS. or or (S)-cysteine С. d. [4.3.1]Bicyclodecane (E)-isomer or or (Z)-isomerDraw the amino acid product that results from a transamination reaction involving pyruvate and glutamate, shown in the image below. Draw the product as it would occur at the pH of most body fluids, including all charges. You do not need to draw the other product of the reaction. O NH3 3D CH3-C-C-o-+ 0-CH-CH CH2-C-0--→? pyruvate glutamate Draw the molecule on the canvas by choosing buttons from the Tools (for bonds), Atoms, and Advanced Template toolbars. The single bond is active by default. Include all hydrogen atoms and charges. > View Available Hint(s) CONT. H. N. NV CI Br 1] -C- C1 SIVII. Draw the structure of melezitose (either in Haworth or in conformer): a-D-glucopyranosyl- (1–3)-B-D-fructofuranosyl-(2–→1)-a-D-glucopyranoside Is it a reducing sugar?
- I. Write a balanced chemical reaction, complete with chemical structures, to show the hydrolysis of iso-C to U. II. Draw the mechanism by which iso-G converts to its "minor tautomeric form complementary to U." You may propose either an acid or base catalyst. III. Draw chemical structures of the minor tautomeric form of iso-guanine (iso-G) and uracil (U), showing the non-covalent bonding (H-bonding) interactions between them.Describe any two heteropolysaccharides in terms of: a. The types of monosaccharides involved b. types of glycosidic linkages, and c. possible hydrolysatesIV. Draw the Fischer projection formula for the enantiomer of each of the following monosaccharides.
- Give one example each of di-, tri- and tetra-saccharides.Which of the following is true regarding Glycogen Linear homopolysaccharide O Contains beta-1 to 4 bonds O It has alph-helical structure O Energy storage heteropolysaccharide O Branched heteropolysaccharide6. Draw condensed structural formulas for all products obtained from the complete hydrolysis of the following triacylglycerol. CH2-0- -(CH2)14-CH3 CH-O-C-(CH2)12-CH3 ČH2-0-C-(CH2),-CH=CH-(CH2),-CH3
- 1-39. Classify each of the molecules in problem 1-37 as D-enantiomer or an L-enantiomerIn observing a Haworth or cyclohexane-chair representation of alpha-d-glucopyranose, the anomeric carbon can de best identified by: a) the carbon atom which is bonded to the most H atoms b) the carbon atom which is bonded to the least H atoms c) The carbon atom which has its OH group pointing down d) The carbon atom which is bonded to two oxygen atoms Cellulose differs from amylose in that: a) cellulose has 1-6 branches while amylose does not b) amylose has 1-6 branches while cellulose does not c) amylose has alpha glycosidic bonds while cellulose has beta glycosidic bonds d) cellulose contains sulfate while amylose does not. The glycosaminoglycan (mucopolysaccharide) which is not normally associated with joint tissue is: a) heparin b) keratan sulfate c) chondroitin sulfate d) hyaluronic acid In glycoproteins, which amino acid does not bond sugar molecules? a) Asn b) Ser c) Thr d) Gly Which feature do all lipid molecules share in common? a) fatty acid molecules…One or more of the compounds shown below will satisfy each of the following statements. Not all compounds may be used; some may be used twice. Put the number(s) in the blank. (1) Found in chitin. (2) An L-saccharide. (3) The first residue attached to asparagine in N-linked glycans. (4) A uronic acid. (5) A ketose. CH,OH CoO COO OH H H H H ОН Н но OH OH H OH H HO OH H NHC- CH, Oso, OH (a) (b) (c) CH,OH CH,OH CH,OH C=0 CHOH C=0 H-C- OH CH,OH но -с-н ČH,OH CH,OH (d) (e)