Answer to Question #327553 in Biochemistry for nahid abedini

Question

Draw the structure of the tripeptide, which is composed of Phe+Lys+Cys and 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-hydrophobic balance

1.4 draw the structures of the tripeptide that correspond to the pH values 0, pl, 7, 14. Specify the charge of the tripeptide in each pH

2. Construct the Fişcher's formula for the D-mannose [2(L),3(L),4(D),5(D),6- pentahydroxyhexan-1-al] and draw all the tautomers: oxo, and pyranoses, furanoses. 3.Give the formula of the nucleic base cytosine, nucleoside cytidine, nucleotide cytidine-3-phosphate