Bio Chemistry Interview Questions
Questions Answers Views Company eMail

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

833

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

1 1725

How does isoelectric focusing work?

1 3258




What are some commonly used biochemical buffers?

3 1983

Describe the structure of a peptide giving the sequence.

737

How do peptides react with cyanogen bromide?

829

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

922

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

1 2090




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

1526

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

1352

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

2 1682

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

979

What is meant by “cooperative folding” of proteins?

1 2085

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

1 4485

What factors cause salting in and salting out of macromolecules?

1 2015


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Un-Answered Questions { Bio Chemistry }

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

1271


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

940


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

984


can i used antimony potassium tartrate against potassium tartrate in Fehling B solution ?

516


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?

995






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

833


i have done M.SC. in biochemistry from india. as i have experience of pharmaceuticals in quality assurance department of 4 year.now i come to know that my degree is valid in uk.i got my comparision letter of degree from uknaric. but i m confuse that what is the next step to do for getiing job in lab? am i eligible to get directly job or as trainee than job ? or to register in ibms or what? pls tell me

2171


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

922


How are reaction rates dependent upon free energy changes?

1054


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.

922


What are species grow in waitland?

1260


What are the drawbacks of tissue slices technique?

1040


why we use 96 well plate in ELISA plate reader?

1128


What is zone electrophoresis?

956


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.

1998