Biological Sciences Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

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Biological Sciences Interview Questions

Questions Answers Views Company eMail

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

2504

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

2 4083

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

2101

What is meant by “cooperative folding” of proteins?

1 3831

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

1 6553

What factors cause salting in and salting out of macromolecules?

1 3758

How does molecular exclusion chromatography work?

1 4886

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

1 3201

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

1 3304

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

1947

What types of molecules form bilayers?

1 3725

What are the various types of noncovalent attractive forces?

2 4809

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

2534

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

1 3183

What kinds of compounds are water soluble? Why?

2 4437

Un-Answered Questions { Biological Sciences }

Give an account of TCID50 and plaque forming unit (PFU) ?

2668

Diborane contains how many banana bonds?

1059

How does fruit produce seeds?

948

How many tropic levels can a food chain have?

404

Explain what does a skunk do when it is attacked?

900

How are fishing communities affected by emergencies?

1964

How molecular taxonomy has affected bacterial classification?

2128

What is the use of automatic impedance hematology instrument?

1931

What is population density?

255

What is the VOR in primates?

1923

Why is the reaction of ethane and chlorine not a free-radical addition reaction?

876

How different are the concepts of migration, emigration, and immigration

329

Explain electrophoresis?

1010

Which oxo acids of sulphur contain s-s bonds?

1143

What is monera?

853

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