Bio Chemistry Interview Questions
Questions Answers Views Company eMail

How are free energy changes dependent upon the reaction pathway?

1 1597

What factors contribute to the entropy change when a denatured protein folds up?

2 2278

How does a buffer work?

1 2768




Why are free cysteines treated with iodoacetate prior to protein sequencing?

1057

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

956

Where do hydrophobic and hydrophilic residues usually end up after protein folding?

884

What are the structures of the products of this reaction, and how are they identified?

892

From a thermodynamic perspective, why doesn't hexane dissolve in water?

1 1815




What are the standard state conditions for biochemical thermodynamics?

1 2508

What types of primary structures destabilize helices?

1 1577

Why is it usually necessary to cleave proteins into smaller fragments for sequencing?

1 1768

How does a random coil differ from an irregularly structured region?

968

How do cationic exchange resins differ from anionic exchange resins?

1 1691

What is the difference between pH and pKa?

Astra,

3 12776

What are hydrophobicity scales, and how are they used?

731


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Un-Answered Questions { Bio Chemistry }

During a heart attack, blood flowing to the heart muscle is interrupted by blockage of a coronary artery. How would you expect the metabolism in the heart to change?

1718


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

780


Why are free cysteines treated with iodoacetate prior to protein sequencing?

1057


why life span of RBC IS GREATER THEN THE WBC?

1381


Two children have a neurological disorder. When cells from the two patients were fused to form heterokaryons containing nuclei from both patients and cultured, the cells displayed normal metabolism. Cells from either patient exhibited abnormal metabolism when cultured separately.what does these results indicate?

930






what is familiar hypercholesterolemia?

1205


The elution volume of an enzyme on a gel filtration column can be predicted from a) its enzyme activity b) its protein absorbance at 280 nm c) subunit composition and monomer molecular mass(es) d) Choices a) and b) are both correct.

1899


what are the steps involved in the calibration of HPLC

1430


Glycolysis is A) C6H12O6 --> 2C2H5OH + 2CO2 B) C6H12O6 --> 2CH3H4O3 + 4H c) C3H4O3 + NAD --> C2H5OH + CO2 NAD D) C6H12O6 + 6H20 --> 6CO2 + 6H2O

1413


what is your passion?

829


Why is the t-butyloxycarbonyl protecting group such a good choice for amino acid synthesis?

953


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

2962


How are reaction rates dependent upon free energy changes?

968


Which organ and subcellular site are most important for fatty acid biosynthesis?

787


What is zone electrophoresis?

912