Bio Chemistry Interview Questions
Questions Answers Views Company eMail

How does molecular exclusion chromatography work?

1 2876

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

1 1587

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

1 1577




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

819

What types of molecules form bilayers?

1 1377

What are the various types of noncovalent attractive forces?

2 2640

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

1133

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

1 1390




What kinds of compounds are water soluble? Why?

2 2229

How are reaction rates dependent upon free energy changes?

938

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

1 2853

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

1 1906

What types of proteins contain disulfide bonds?

4 3664

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

1 1842

What factors cause the hydrolysis of ATP so exergonic?

1 1575


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Un-Answered Questions { Bio Chemistry }

Which vitamins participate, in coenzyme form, in reactions of the tricarboxylic acid cycle?

888


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

944


does glucagon secretion induce sleep in teenagers?why?

961


why we use 96 well plate in ELISA plate reader?

1090


Which compound is involved in reducing levels of homocysteine in the blood?

1054






What factors are involved in determining the electrophoretic mobility of a molecule?

879


The nucleophile in the first stage of the serine protease mechanism is a) H2O b) the carboxyl of Asp 102 c) the hydroxyl of Ser 195 d) the imidazole of His 57

921


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.

1916


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

762


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

875


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

943


What is the difference between Phospholipids and phosphosphingosides?

1894


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

1041


which fat soluble vitamin has co-enzymic function?

756


Describe the structure of a peptide giving the sequence.

689