Bio Chemistry Interview Questions
Questions Answers Views Company eMail

How are free energy changes related to LeChatelier's Principle?

1486

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

1 2874

How does isoelectric focusing work?

1 4506

What are some commonly used biochemical buffers?

3 3609

Describe the structure of a peptide giving the sequence.

1362

How do peptides react with cyanogen bromide?

1524

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

1696

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

1 3146

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

2248

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

2028

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

2 2978

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

1621

What is meant by “cooperative folding” of proteins?

1 3188

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

1 5894

What factors cause salting in and salting out of macromolecules?

1 3058


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Un-Answered Questions { Bio Chemistry }

What are respectively some remarkable functions of albumin?

572


Name the vinyl halide that reacts with hydrogen halides and the product formed is?

574


mutarotation is observed when phenol and pyridine both are present but phenol or pyridine alone cannot show mutarotation-explain why?

3702


What are respectively some remarkable functions of myosin, cd4, albumin, keratin, immunoglobulin, reverse transcriptase, hemoglobin, and insulin?

600


Which is the most reactive element in nitrogen family?

602






Explain standard feat of formation.

513


Which element in 1A group does not form peroxides?

619


What are the units of ph?

622


Which theory explains the paramagnetic nature of oxygen? Who proposed it?

605


Why can it be said that the enzymatic action is highly specific?

571


Which element has maximum catenation ability?

610


Which equation gives the relation between specific rate (k) and temperature?

563


How are free energy, equilibrium and spontaneity related to each other?

1656


Which are the nucleotides “portions” that bind in the formation of nucleic acids? What is meant by the 5’ and 3’ extremities of nucleic acids?

549


What is nucleophilic addition reaction?

636