13. One or more of the compounds shown below will satisfy each of thefollowing statements. Not all compounds may be used; some may beused twice. Put the letter(s) in the blank.(a) Found in chitin.(b) An L-saccharide.(c) The first residue attached to asparagine in N-linked glycans.(d) A uronic acid.(e) A ketose.CH,OHCOOCO-HOHHOHОН НноOHOHHHноOHНо- CH3óso,NHC-OH(a)(b)(c)CH,OHCH,OHCH,OHc=0CHOHC=0H-C-OHCH,OHно-с—нČH,OHCH,OH(d)(e)(f)우

Carbohydrates are polyhydroxy aldehyde or polyhydroxy ketone or compounds producing them on…

Answered: 13. One or more of the compounds shown…

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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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.
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)
7. Consider the structures shown. For each structure select all that apply. a) pentose, hexose or heptose b) D or L c) ketose or aldose d) a or ẞ e) pyranose or furanose COOM CHACH Structure A Structure C
(1) (2) (3) (4) (5) (6) (8) (9) (10) E Which of the following residues would be most likely to make contact with the aqueous medium? (A) Lysine (B) Glycine (12) The native state of a protein is the conformation that is the (A) (8) The (A) (B) (B) When an atom or ion is reduced, its oxidation number (A) Decreases (8) Increases Ribose is an example of a (A) Pentose Hexose (A) (8) Palmitate (16:0) is a/an Saturated Unsaturated (7) A certain unfavorable process has an associated standard free energy (AG) of 38 kJ/mol. To which reaction could it be coupled to make it favorable? ATP+H₂O → ADP + P ATP + H₂O → AMP + PP, Neither one (A) (B) (C) Least Most Lesser Greater (A) (8) (A) the value of ko, the more efficient the enzyme will be. (8) Generally, if the concentration of ATP is low, then Gluconeogenesis Glycolysis (A) (8) sugar. In the first step of the citric acid cycle, Acetyl CoA Pyruvate fatty acid. (AG"=-32 kl/mol) (AG"=-45kl/mol) Under conditions when glycogen synthesis is favored,…
1. Examine the synthetic glycoprotein, Molecule A, shown below: Protein- OH OH OH OH OH ÓH OH Molecule A OH Draw the structures of the products obtained when Molecule A reacts under the following conditions. Justify your answer. If no reaction occurs, explain why. The monosaccharide rings that have not reacted may be represented by an “R" group. Mechanisms are not required. (а) Ammonium Carbonate, 5 days. (b) Excess Sodium Periodate. (c) 2,3-dinitrophenyl hydrazine under reductive amination conditions. NO2 O2N. „NHNH2 2,3-dinitrophenyl hydrazine
9. At pH ___, the pentapeptide Ala-Glu-His-Val-Cys would contain two positively charged groups and one negatively charged group. a) 9 b) 3 c) 7 d) 1 e) 5
(iii) Draw a structural diagram of a hydrogen bond between β-D-glucose and the side chain of any polar residue in a protein. (iv) Name the type of bond that can occur between the axial hydrogens of glucose and the indole ring of tryptophan. Draw a structural diagram of this bond. (v) Comment on the polar / apolar nature of the bond in part (iv) and explain why this type of interaction is prevalent in protein-sugar complexes. Answer (iii) to (v) please.
6. Which class or reactions results in the degradation of all macromolecules: a) dehydration synthesis of monomersà polymers with the loss of an H2O with the addition of each monomer b) hydrolysis with the addition of one H2O for each reaction c) oxidation with the loss of an e- d) reduction with the gain of an e-
1. Draw three-dimensional representations of the following amino acids. Explain theirstructures.(a) L-phenylalanine(b) L-histidine(c) D-serine(d) L-tryptophan
1. Cysteine is an important amino acid that stabilizes the structure of peptides and proteins by the formation of disulfide bond with another cysteine residue. Illustrate the titrimetric profile of cysteine and calculate its isoelectric pH. [Hint: The sulfhydryl group is titratable] 2. The tripeptide Glu-Pro-Arg (EPR) which is a product of Lactobacillus casei fermentation of milk was found to have potent blood pressure lowering properties. Draw the structure of the tripeptide, give its systematic name, show its titration profile, and determine its isoelectric pH.
5. Determine the answers of these multiple choices they are organised at "a,b,c's" in which is allowed in your rules, so they can all be answered thank you very much!! A) The primary chain of a protein is held together by: -Hydrolysis bonds -Glucose bonds -phosphate bonds -Peptide bonds -disulphide bridges B) What indicator will allow you to detect the presence of proteins? -Méthylorange -lode -Biuret -Sudan IV -Benedict
(a) Are α -glucose and β-glucose enantiomers? (b) Show thecondensation of two glucose molecules to form a disaccharidewith an α linkage. (c) Repeat part (b) but with a β linkage.

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