Draw the structure of each of the following compounds:a. a polysaccharide formed by joining D-glucosamine in 1-→6-a-glycosidic linkagesb. a disaccharide formed by joining D-mannose and D-glucose in a 1-4-B-glycosidic linkage using mannose's anomericcarbonc. an a-N-glycoside formed from D-arabinose and CgH;CHNH2d. a ribonucleoside formed from D-ribose and thymine

Polysaccharides are formed from joining monomers or monosaccharides via glycosidic linkages. The…

Answered: Draw the structure of each of the…

Biochemistry

9th Edition

ISBN:9781319114671

Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Chapter1: Biochemistry: An Evolving Science

Section: Chapter Questions

Problem 1P

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Draw the L enantiomer in a Fischer projection for each amino acid; identify the amino acid as neutral, acidic, or basic. Give the three-letter sign [3], and the one-letter symbol [4].arginine a. arginine b. arginine c. a. glutamic acid b. glutamic acid c. glutamic acidtyrosine b. valine c. arginine
17. Which statement about lipoproteins is TRUE? a high-density lipoproteins transport cholesterol from the liver to the cells b lipoproteins can transport fats from storage sites to sites where they are used c the liver is solely responsible for the synthesis of lipoproteins d very-low-density lipoproteins transport cholesterol from cells to the liver e increasing lipid (fat) content of a lipoprotein would increase its density
Give an example of each of the following: a. epimer b. acetal linkage c. reducing sugar d. monosaccharide e. anomer f. diastereomer
H OH CH2OH D H ОН H الحزن ОН CH2OH ОН H ОН I Which of the following statements correctly describes this structure? (A) The monomer units are bonded by beta 1-2 glycosidic linkage. B The monomer units are bonded by alpha 1-2 glycosidic linkage. The monomer units are bonded by alpha 1-4 glycosidic linkage. The monomer units are bonded by beta 1-4 glycosidic linkage. H CH2OH H ОН H ОН H ОН
Which of the following is the correct statement for the a anomer and B anomer of D-arabinose? O They contain axial or equatorial carbonyl groups. They have different configurations around only one carbon atom They are two unstable ring structures that are mirror images. O They contain different numbers of hydroxyl groups.
Identify the type of isomerism exhibited by the following pairs of monosaccharides D-glyceraldehyde & dihydroxyacetone D-glucose & D-mannose α-D-glucose & β-D-glucose d-galactose & l-galactose D-glucose & D-allose A. optical isomers B. Diastereomers C. Epimers D. enantiomers E. Functional Isomers
Consider the disaccharide maltose. сон H -= H OH OH Part 1 of 2 д- CH₂OH H H H он Н Н д- ОН Н Он Н Он Classify the glycosidic linkage as a or ẞ. Select the single best answer. α В Part: 1/2 Part 2 of 2 Modify the structure of maltose to show the monosaccharide products that form from hydrolysis. You may draw the structures in any arrangement th you like, so long as they aren't touching. Н он Снон Н -= Он Н снон Н H H Он Н д- Н он -= Н Он H Он
2) Consider the following disaccharide which was formed from the breakdown of a polysaccharide found in plant material. ОН Glycosidic linkage: H H OH H H НО H H. OH H. ОН OH H НО H ОН a. Label the glycosidic linkage above in the following format: a/B(# → #) b. Would you expect this disaccharide to have been formed from amylose or amylopectin? c. Describe at least two chemical tests that would give insight into the structure of this disaccharide, assuming you've isolated it and wanted to elucidate the structure from scratch. Include detail on not only the tests you would use but what results you would expect to get given the structure above. Assume you can analyze the structure of any monosaccharide you get from your chemical tests.
Select the term in column B which best matches the description in column A. There are more terms then needed. Column A Column B 1. The pentose sugar found in DNA. a) Cis fatty acid b) Trans fatty acid c) Coenzyme d) Cofacipr 2. Commonly referred to as "insoluble fiber". 3. Considered to be an amphipathic molecule. 4. A molecule with the formula C18H3602 is probably a e) Phospholipid 5. Bond created during the formation of the primary structure of a protein. ) Glycogen 6. A non-protein organic molecule needed for proper enzyme functioning. g) Cellulose 7. Pyrimidine base found only in RNA. h) Galactose i) Fructose 8. Increasing the number of these molecules in the cell membrane would increase the permeability of the cell membrane. i) Thymine k) Uracil 9. Bond which connects nucleotide monomers together. 1) Fatty acid m) Disaccharide n) Peptide bond o) A-Helix p) B-Pleated Sheet q) Ribose r) Deoxyribose 10.
Describe the quarternary structure of the enzyme aspartate transcarbamoylase: Dodecamer Monomer Tetramer Hexamer Decamer
Draw both possible disaccharides of D-psicose and D-mannose that are joined by an α(1→4) glycosidic linkage. Are either of them now a reducing sugar?
Modify the mannose structures provided to show the structure of a disaccharide formed from two mannose units joined by a 1 → 6-B-glycosidic linkage. CH₂OH Снон H ОН H Он Н H Он он OH Он Он H он Н H H H H Х G

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