please answer 4,5,6 Draw the ff. unsaturated fatty acids1. cis 18:1(49) 18:1;9 w92. trans 18:1(49) 18:1;9 w93. cis 18:2(49,12) 18:2;9,12 w6,94. trans 18:2(49,12) 18:2;9,12 w6,95. cis 18:3(46,9,12) 18:3;6,9,12 w6,9,126. trans 18:3(46,9,12) 18:3;6,9,12 w6,9,127. cis 20:5(45,8,11,14,17) 20:5;5,8,11,14,17 w3,6,9,12,158. trans 20:5(45,8,11,14,17) 20:5;5,8,11,14,17 w3,6,9,12,15

Saturated fatty acids are the fatty acids with no double bonds in the hydrocarbon chain. Whereas…

Answered: Draw the ff. unsaturated fatty acids 1.…

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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1.Ala-Phe-Lys-Val-Val-Glu From the above polypeptide, what amino acid/s go/goes inside the cell after the following treatment: Chemotrypsin, thermolysin, then finally pepsin. What protein is left undigested? Write the primary structure of the undigested protein? 2.K-V-F-W-P-L-A-Y a.Chemotrypsin treatment b.Trypsin treatment c.Pepsin treatment d.Thermolysin treatment 3.Total acid hydrolysis of a pentapeptide complemented by total alkalinehydrolysis yields an equimolar mixture of 5 amino acids listed alphabetically, ala-cys,lys,phe,ser. N-terminal analysis with phenylisothiocyanate (PITC) generate PTH-ser. Trypsin digestion produces a tripeptide where N-terminal residue is cys and a dipeptide with ser as its N- terminal.Chemotrypsin digestion of the above tripeptide yields ala plus another dipeptide. A.What is the amino acid sequence of the tripeptide B.What is the amino acid sequence of the dipeptide derived from trypsin digestion? C.What is the primary structure of the original…
B- Calculate the missing value of the amino acids listed in the table below. Amino acid phenylalanine pKal pKa2 pl 1.83 9.13 Serine 9.15 5.56 Asparagine 2.02 5.41
Time left 0:19:0 pK, values Abbreviation/ Amino acid symbol pK, M FCOOH) NH,*) (R group) pl pK, Glycine Gly G 75 2.34 9.60 5.97 Alanine Ala A 89 2.34 9.69 6.01 Proline Pro P 115 1.99 10.96 6.48 Valine Val V 117 2.32 9.62 5.97 Leucine Leu L 131 2.36 9.60 5.98 Isoleucine lel 131 2.36 9.68 6.02 Methionine Met M 149 2.28 9.21 5.74 Phenylalanine Phe F Tyrosine 165 1.83 9.13 5.48 Tyr Y 181 2.20 9.11 10.07 5.66 Tryptophan Trp W 204 2.38 9.39 5.89 Serine Ser s 105 2.21 9.15 5.68 Threonine ThrT 119 2.11 9.62 5.87 Cysteine Cys C 121 1.96 10.28 8.18 5.07 Asparagine Asn N 132 2.02 8.80 5.41 Glutamine Gin Q 146 2.17 9.13 5.65 Lysine Lys K 146 2.18 8.95 10.53 9.74 Histidine His H 155 1.82 9.17 6.00 7.59 Arginine Arg R 174 2.17 9.04 12.48 10.76 Aspartate Asp D 133 1.88 9.60 3.65 2.77 Glutamate Glu E 147 2.19 9.67 4.25 3.22 What is the NET CHARGE of the short peptide shown below at pH 7.0? Identify the charged groups in the peptides. N' - Arg - Asn - Tyr – Gly - Glu – His - Phe - C'
15. Shown here is a 5HT3 receptor protein, what structural motif is exhibited in the alpha domain. Thickness of membrane
1. The figure below shows the Fischer projection of an L-aldohexose. T or F O. НО H- Но H- Но- ČH2OH Naturally occurring saturated long-chain fatty acids are usually in trans- configuration. 2. T or F 3. N-acetylglucosamine is commonly found in glycosaminoglycans. T or F 4. The isoelectric point of isoleucine is lower than that of histidine. T or F 5.. At pH 7, all amino acids stop migrating in isoelectric focusing. T or F 6. The following amino acid is a L-valine. T or F СООН H-NH2 CH-CH3 CH3 7. Salting out is a process to remove salts from proteins. T or F 8. There are five carbons in a pyranose ring. T or F 9. Hydrophobic interaction can be found in protein and DNA. T or F RNA is a polymer consisting of nucleosides joined together by phosphodiester bonds. 10. T or F 11. There are 3.6 base pairs in one turn of DNA helix. T or F
.com/forms/d/e/1 FAlpQLSenLacS5BakgugJMG pBYf0hNjcZaGs2F2MZs4Kn Y10W43JQ/formResponse MCQ Which of the following oligopeptides has net charge equal to zero? O Glutamate - Arginine - Aspartate Lysine O Histidine - Glycine - Tyrosine - Cystine | Glutamate - Alanine - Phenylalanine - Proline O Tryptophan - Methionine - Lysine - Arginine
Match the following Class of Proteins with their corresponding Prosthetic Group Components. nucleic acids 1. hemoproteins metal ion 2. lipoproteins phosphate group 3. flavoproteins pigment 4. glycoproteins heme unit 5. phosphoproteins 6. nucleoproteins lipid 5. metalloproteins flavin nucleotides -8 chromoprotein carbohydrate
A. Identify the following fatty acids present in fats and oils by their common names. Acid Common name 1. HO- H;C (CH2);0- 2. H3C (CH2)12- -OH H,C (CH2)14-Ö-OH 3. H,C (CH2)16- -OH 4. H3C(CH2)18 -HO- 5. 6. Which of the above is the most abundant fatty acid? 7. What is the general formula of a saturated fatty acid?
Modify isoleucine to show the predominant forms at pH 1, 7, and 13. Isoleucine has pk, values of 2.4 (carboxyl group) and 9.7 (alaing group). Isoleucine at pl! 7 Isoleucine at pH I 대표 대, 1 - Isoleucine at pli 13 1 1 CH4. I I - CH I ## - 10 II
Choose the correct prosthetic group of the given protein. Choices: • Phosphate Nucleic acid Iron + Pigment • Zinc Iron • Lipid • Copper Pigment • Carbohydrate None 1. Collagen 2. Enkephalin 3. Albumin 4. Insulin 5. HDL 6. Chromatin 7. Cytochrome 8. Ovomucoid 9. Ceruloplasmin 10. Casein 11. ADH 12. Glutathione 13. Vitelline 14. Mucin 15. Carbonic Anhydrase
Regarding to ALL the 20 standard amino acids1. Are ALL the 20 standard amino acids asymmetric and chiral molecules?2. Do they contain the elements C,H,N,O,S3. do they have high boiling oils at room temperature
1. Where’s Elvis? Translate the following amino acid sequence into one – letter code: Glu – Leu – Val – Ile –Ser – Ile – Ser – Leu – Ile – Val – Ile – Asn – Gly – Ile – Asn – Leu – Ala – Ser – Val – Glu – Gly – Ala – Ser.___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___

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