Draw the missing organic structures in the following multistep synthesis. Show all structures at physiological pH (pH = 7.4). Ignore any inorganic byproducts formed. H₂ N + Select to Draw 00 Q BnOH H2SO4 H₂O OH- Select to Draw BOC-Ala DCC Select to Draw
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- kamote tops juice Clear selection In this reaction below, the conjugate base of ethanoic acid is H3C-C O-H H20 H3C-C H30 Н20 H30+ CH3COO- CH3COOH Benedict's reagent is used as a test for the presence of reducing sugars. Molisch test Benedict's test Barfood'o TastShown below is the amino acid tyrosine in its protonated state, with the pK₂of each ionizable proton indicated. pK₂ = 10 HO COOH pk = 9 pK₂ = 2 Which best represents the predominant state of tyrosine at pH 7? a HO. O O OO a b U H3N P H₂N COOH b H₂N COO с НО. H₂N COO d HO. H₂N COON-(2-hydroxyethyl)piperazine-N'-(2-ethanesulfonic A purified protein is in a Hepes acid) buffer at pH 7 with 375 mM NaCl. A dialysis membrane tube holds a 2.0 mL sample of the protein solution. The sample tube floats in a beaker containing 1.00 L of the same Hepes buffer, but with 0 mM NaCl, for dialysis. Small molecules and ions (such as Na+, Cl, and Hepes) can to diffuse across the dialysis membrane, but the protein cannot. Assume there are no sample volume changes during the dialysis. Calculate the final concentration of NaCl in the protein sample once the dialysis has come to equilibrium. Calculate the final NaCl concentration in the 2.0 mL protein sample after dialysis in 150 mL of the same Hepes buffer, with 0 mM NaCl, twice in succession. [NaC1] after a single dialysis: [NaCl] after a double dialysis: x10' TOOLS mM mM
- In addition to niacin, lovastatin is the other component of Advicor, Using the empiric method, determine the best classification for lovastatin (structure below) at pH =7. Note water solubility is defined as > 1% solubility HO CzeHasOs Answers A- B A Water-soluble B Fat-solubleThe maximum number of amino acid side chains that can potentially form an ionic bond (+lIE- interaction) with the side chain of His is _at pH 21;at pH 7 and_at pH 11.5 andat pH 13.5. (assume no partial charges, only +/- whole number integers) 00: 2; 3:1 01:2:4:1 O2:2;3;0 00:2;3:0 00:2, 4:0 00:0: 2: 2 O none of theseWhich of the natural amino acids below are acidic? H NH₂ HO 00000 Glycine (Gly; G) H₂N OH NH₂ Serine (Ser; S) NH H Gly Ala Val Leu NH₂ Methionine (Met; M) OH Phe Me. Arginine (Arg; R) HS OH HO NH₂ NH₂ Alanine (Ala; A) OH NH₂ Cysteine (Cys; C) OH OH the NH₂ NH₂ Threonine (Thr; T) OH Valine (Val, V) H₂N. HN OH H₂N EN NH₂ Histidine (His; H) NH₂ Asparagine (Asn ; N) Glutamine (Gln; Q) OH Leucine (Leu; L) OH NH₂ NH₂ OH НО. OH HO O NH₂ Aspartic acid (Asp; D) NH₂ Glutamic acid (Glu; E) HN- Phenylalanine (Phe; F) NH₂ OH H₂N Tryptophan (Trp; W) HiOH NH₂ OH OH H₂N. HO Lysine (Lys; K) ΝΗ O Proline (Pro; P) NH₂ NH₂ Asparagine (Asn ; N) OH OH Tyrosine (Tyr; Y) OH NH₂ OH
- What is the ratio of CATION to ANION in Drug X? [blank1] H₂C -H Fogy CH3 SO42 'N CH3 Drug X CH3NH Describe the possible interactions between the SIDE CHAINS of amino acids: I. and II.... II. and III... I. and III... 1. COO NH3* 2 HO II. COO HO NH3* COO NH3* III.The maximum number of amino acid side chains that can potentially form an ionic bond (+ll- interaction) with the side chain of His is _at pH 21;at pH 7 and at pH 11.5 andat pH 13.5. (assume no partial charges, only +/- whole number integers) 00: 2; 3:1 01:2:4:1 O 2;2;3,0 O 0: 2; 3;0 00:2; 4: 0 00: 0; 2; 2 none of theseWhat are the most likely products formed from mixing the following neutral compounds? HINT: The most acidic proton in the acid will be transferred to the most basic site in the base. OH НО A В C D НО О А ABC В о с НО + OH OH NH₂ NH₂ + NH3 NH3 NH₂2
- biochemical importance of plasma proteins? (e.g: globulin, abumuin, Fibrinogen)CH Post Lab ET O 44 Is saloviglvoyig'lo wouna inenimob stotis W A+H3N-CH-C-OH F CH-CH3 CH3 5. The structure of amino acid valine (Val) is as follows: The pKa for the carboxylic acid group is 2.29; the pKa for the protonated amine group is 9.74. What is the pl value of Val?SHOW YOUR COMPLETE SOLUTION hint : its BCC