Bio Chemistry Interview Questions
Questions Answers Views Company eMail

How are free energy changes dependent upon the reaction pathway?

1 1559

What factors contribute to the entropy change when a denatured protein folds up?

2 2213

How does a buffer work?

1 2725




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

1026

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

933

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

852

What are the structures of the products of this reaction, and how are they identified?

848

From a thermodynamic perspective, why doesn't hexane dissolve in water?

1 1733




What are the standard state conditions for biochemical thermodynamics?

1 2444

What types of primary structures destabilize helices?

1 1539

Why is it usually necessary to cleave proteins into smaller fragments for sequencing?

1 1704

How does a random coil differ from an irregularly structured region?

924

How do cationic exchange resins differ from anionic exchange resins?

1 1634

What is the difference between pH and pKa?

Astra,

3 12657

What are hydrophobicity scales, and how are they used?

709


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Un-Answered Questions { Bio Chemistry }

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

933


Compare and contrast feedback inhibition and enzyme repression?

7920


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

1026


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.

854


What are species grow in waitland?

1154






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

738


I understand that urine can act as a reagent to break disulfide bonds? I am particularly interested in bonds between cysteines. and or any other amino acids.

190


what is meant by codan optimisation m rna enrichment?

1280


All technical,written test questions

400


Why does physical exertion increase symptoms of poisoning by trematol?

1462


why we use 96 well plate in ELISA plate reader?

1065


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

1423


Hi, I am venkat. I am done with M.Sc Medical Biochemistry in the year 2007. I got rejected 3 times at US consulate, and the reason they say is why are you going agian for PG when you have already done PG, and they are not ready to get convinced only on this issue.

909


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

1266


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.

1884