At which pH would the structure shown be predominate?H₂N-CH--HOpH 1pH 3pH 8pH 1100

Glycine has the simplest structure among all the amino acids. This side chain of amino acid has most…

Answered: At which pH would the structure 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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Why are we using this chemicals?(Determination of solubility and soaping number of lipids) Materials: *Fats and oils*Oil solvent (Equal volume 95% ethanol and ether)*0.5 M alcoholic KOH solution*0.05% phenolphthalein solution*0.5 M HCl solution Procedures: Determination of Saponification Number 1) Dissolve 1 g (or 2 mL) of oil in 3 mL of oil solvent and add 25 mL of KOH solution. Put a few boiling stones and boil in the water bath by mixing for 30 minutes.2) Add 3 drops of phenolphthalein to the saponified and brought to room temperature solution and titrate with HCl.3)Titrate 25 mL of KOH solution containing 2 mL of water with HCl for a blank test. Solubility of lipids 1) Record the physical properties of all oils before starting the experiment. Then observe the solubility of the oils in water and organic solvents. Discuss the difference.2) Add 1 mL of water to the oil solutions in ethyl alcohol. Mix vigorously and record your observations in the first second and after 5 minutes.
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нннн ннннН с-С-с-с-с-С-С-С-С-с-н HHHH HHHH H H. Ising the graphic above, answer the following question. orrectly identify the above molecule. s this molecule solid or liquid at room temperature? Name a major source of this macromolecule.
MACROMOLECULES Summary Chart Macromolecule Monomer Polymers Bonds Functional Groups Examples CH20H CH2OH HO OH он H/. он -0- CH,-CH-CH,-CH,-CH- CH- CH- -CH,- CH;-CH,-CH,- CH, -CH,-CH, H-C -o H-c-0-C-cH,- CH-CH-CH CH,-CH CH H-N-CH- CH-C-OH R1 Rm AGCT 0- CH 0-P=0 AGCT KH H H OH H H.
Consider the structure shown below. он 3 5 CH; O CH, O H CH; O 1 H-N-CH,-C-N-CH;-C-N-CH-C-N-CH-C-N-CH-C-ơ 2 H. H H Fill in the blank with an integer (1, 2, 3, 4, 5..) as shown in the diagram or to represent a specified number. A hydrophilic side chain is indicated by the number

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At which pH would the structure shown be predominate? H₂N-CH- - H OpH 1 pH 3 pH 8 pH 11 0 0