Answer to Question #310204 in Chemistry for Mohamed

Question

1. Draw the structure of the tripeptide, which is composed of Gly+Glu+Gln answer additional questions

.1.1 specify the value of the isoelectric point

1.2 select the indicator and determine the pH of the aqueous solution by indicator's color 1.3 specify the hydrophilic-hydrophobie balance draw the structures of the tripeptide that correspond to the pH values 0, pl, 7,

1.4. Specify the charge of the tripeptide in each pHAA

2. Construct the Fischer's formula for the D-idose (2(L),3(D),4(L),5(D),6- pentahydroxyhexan-1-al] and draw all the tautomers: oxo, and pyranoses,

3. Give the formula of the nucleic base cytosine, deoxynucleoside deoxycytidine, nucleotide deoxycytidine-5-phosphate furanoses.