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Sciences Interview Questions
Questions Answers Views Company eMail

How does the UV absorption of specific amino acids aid biochemists?

 1 2904

How does isoelectric focusing work?

 1 4525

What are some commonly used biochemical buffers?

 3 3634

Describe the structure of a peptide giving the sequence.

 1373

How do peptides react with cyanogen bromide?

 1537

How do hydrophobic and hydrophilic residues arrange themselves in globular proteins?

 1713

What role does the primary structure play in determining the folding pattern of a protein?

 1 3169

How is the actual free energy change for a process related to the standard free energy change?

 2267

What factors can change the pKa value of an amino acid residue, and in which direction?

 2044

How does the stability of peptides compare with that of amino acids?

 2 3004

How does hplc differ from normal column chromatography, and what are its advantages?

 1636

What is meant by “cooperative folding” of proteins?

 1 3206

Why does ion-exchange chromatography generally use a salt gradient or a pH gradient?

 1 5915

What factors cause salting in and salting out of macromolecules?

 1 3082

How does molecular exclusion chromatography work?

 1 4196

Un-Answered Questions { Sciences }

What is the Unit for charge?

597

Give two components of scientific attitude

498

Describe the infectious cycle of a negative strand RNA virus?

1665

What are the only two planets to rotate from east to west?

123

i am doing m.sc chemistry from delhi university..in my first yr i got 57% i am very confused about which subject should i opt for in second year...and what to do after m.sc if not selected in P.hD entrance exam..is their any job after m.sc???

1600




why we study matrixing in stability system in stability study and on what basis we select time point.

1767

How Passive immunity is classified?

151

Explain how many more times louder is 70 decibels than 10 decibels?

484

What are respectively some remarkable functions of reverse transcriptase?

592

Explain in brief about hydrogen bonds antigen-antibody interaction.

163

if content uniformity passing but dissolution varrying then what is next step?

394

What are the differences in posttranslational modification ?

1584

why every planet of our universe revolves with ellipsical circle around the sun?

1656

What are the advantages of quaternary ammonium compounds?

610

In BP2013, Loperamid HCl monograph. Assay by titration with 0.1N sodium hydroxide using hydrocloric acid 0.01N and reading the volume added between the 2 points of inflexion. I have a question that if the diluent solvent is ethanol is certainly consumed a amount of volume of titrant, so this volume must be eliminated on the result calculation or not apart from first point which is subtracted above.

2615

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