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?

2675

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

2 4339

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

2265

What is meant by “cooperative folding” of proteins?

1 4002

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

1 6719

What factors cause salting in and salting out of macromolecules?

1 3940

How does molecular exclusion chromatography work?

1 5066

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

1 3389

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

1 3490

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

2063

What types of molecules form bilayers?

1 3907

What are the various types of noncovalent attractive forces?

2 5034

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

2639

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

1 3363

What kinds of compounds are water soluble? Why?

2 4661

Un-Answered Questions { Biological Sciences }

Where in the cell can ribosomes be found?

888

What is the relation between the concepts of chromatin and chromosome? Are euchromatin and heterochromatin part of chromosomes?

936

Name the three aquatic mammals?

1060

Why the orange trees are often sprayed with water?

955

What is the difference between transfection and transduction?

1140

How many elements are there in 3d-series of first transition series?

1118

How the biotic potential can be represented in the same graphic?

339

Which animal has no skeleton?

1104

What is the basic PC architecture (main components)?

1949

What is monera?

968

Explain about Brucella LPS extraction ?

2085

Hi,I have recieved an i-20 from 2 years college for my bachelors degree,how can i convince the consular about this course i.e.computer and information science.plz help me as soon as possible.

1998

which cultures or subcultures or standards are generally using as a positive control for total aerobic microbial count in API?

2098

What three main parts make up the carpel of a plant?

1035

Which are the positive and negative controls for gram stain?

1187

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