Bio Chemistry Interview Questions
Questions Answers Views Company eMail

How does molecular exclusion chromatography work?

1 2839

What types of things happen to proteins during posttranslational processing (hydroxylation, etc.)?

1 1566

How can one use the pH and the pKa to determine the acid-base form of a compound?

1 1550




How are free energy changes related to enthalpy changes and entropy changes?

803

What types of molecules form bilayers?

1 1347

What are the various types of noncovalent attractive forces?

2 2605

Why are right-handed helices more stable than left-handed helices?

1106

How can peptide bonds be made from amino acids without activating the amino acids first?

1 1371




What kinds of compounds are water soluble? Why?

2 2195

How are reaction rates dependent upon free energy changes?

900

What role do disulfide bonds play in protein folding, and in protein stability?

1 2826

What are the structural and stability consequences of electron delocalization in amides (peptide bonds)?

1 1872

What types of proteins contain disulfide bonds?

4 3621

What functional group is hydrolyzed in the hydrolysis of ATP to ADP and Pi?

1 1808

What factors cause the hydrolysis of ATP so exergonic?

1 1551


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Un-Answered Questions { Bio Chemistry }

All technical,written test questions

400


DNA binding by proteins with the helix-turn-helix (HTH) motif does not involve a) altered stacking of the DNA at the center of symmetry. b) hydrogen bonds, salt bridges, and van der Waals contacts. c) interactions with base pairs in the major groove of DNA. d) interactions with the sugar-phosphate backbone of DNA.

855


A 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?

854


which fat soluble vitamin has co-enzymic function?

742


"Tell me about a job that you found particularly satisfying. What did you like about it?

1817






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

1364


Why does physical exertion increase symptoms of poisoning by trematol?

1462


ano po ba ang bermuda triangle? ano po ang nandito? meron po bang mga naitala na aksidente sa gawing ito? ano po ang scientific question nito?

3646


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

1026


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

948


When it functions as a "second messenger", cAMP a) acts outside the cell to influence cellular processes. b) acts "second in importance" to AMP. c) activates all cytosolic protein kinases. d) activates the cAMP-dependent protein kinase.

854


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

933


How are free energy changes related to enthalpy changes and entropy changes?

803


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

924


what is your aspiration in profession/ career?

1472