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Calculate the molar extinction coefficient of a solution containing 5 *10-4 g litre-1 of a biomolecule, molecular weight 275 g mol-1, and absorbance 0.75 in a 1.2 cm cuvette.
3096A 3.00 * 10-6M solution in a 1.0 cm cuvette read 16 % T at 620nm. What were the absorbance and the molar absorbancy index of the solution?
2112Hi, I am venkat. I am done with M.Sc Medical Biochemistry in the year 2007. I got rejected 3 times at US consulate, and the reason they say is why are you going agian for PG when you have already done PG, and they are not ready to get convinced only on this issue.
2104Post New Bio Chemistry Questions
Why are free cysteines treated with iodoacetate prior to protein sequencing?
What is electrophilic addition reaction?
Which metal is more metallic in nature among 1A group elements?
Concerning enzymatic reactions how different, are the graphic curve of the variation of the speed of a reaction as function of substrate concentration and the curve of variation of the speed of a reaction as function of temperature?
Of what units are, nucleic acids constituted?
What are enzyme cofactors?
What are the balanced chemical equations of breathing?
Define geometrical isomerism.
Into which two groups can the nitrogen-containing bases that form dna and rna be classified? What is the criterion used in that classification?
What is kararch effect?
One characteristic of the dna molecule is its replication capability. What are the consequences of failures during dna replication?
How are reaction rates dependent upon free energy changes?
Which branch of science deals with the transformation of chemical energy into electrical energy and vice versa?
What is the difference between the alpha helix and the beta-sheet protein conformations?
Explain why nitrogen cannot form penta halides?
