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?

2605

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

2 4213

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

2182

What is meant by “cooperative folding” of proteins?

1 3924

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

1 6647

What factors cause salting in and salting out of macromolecules?

1 3847

How does molecular exclusion chromatography work?

1 4968

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

1 3302

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

1 3404

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

1998

What types of molecules form bilayers?

1 3825

What are the various types of noncovalent attractive forces?

2 4914

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

2585

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

1 3283

What kinds of compounds are water soluble? Why?

2 4559

Un-Answered Questions { Biological Sciences }

What are dextrorotary compounds and levi rotary compounds?

1101

What is protein sequencing?

1097

What is the chemical composition of gene?

2174

How to calculate mean doubling times for adhesion cells ?

1925

Name the animal which faints when frightened by the enemy?

970

Explain how many cells are in the average human brain?

875

How to culture various cell types from tumor tissue?

1925

What are the symptoms of late blight of potato

1035

What does the diaphragm do?

1014

Alkaline metals when dissolved in ammonium (NH3) act as better conductor and better reducing agent what is the reason behind it?

1128

Which is the continent known as the land of kangaroo?

1137

Give the classification of Butterfly?

2222

After primary herpetic gingivostomatitis,where will be the herpes virus may remain dormant ?

2079

What are the adaptations of Halophites to salinity ?

2396

Explain the synchronization of cancer cells ?

1883

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