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Bio Chemistry Interview Questions
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How are free energy changes dependent upon the reaction pathway?

 1 2619

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

 2 3536

How does a buffer work?

 1 3889

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

 1800

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

 1656

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

 1610

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

 1566

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

 1 3146

What are the standard state conditions for biochemical thermodynamics?

 1 3866

What types of primary structures destabilize helices?

 1 2582

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

 1 2947

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

 1717

How do cationic exchange resins differ from anionic exchange resins?

 1 2701

What is the difference between pH and pKa?

Astra,

3 14983

What are hydrophobicity scales, and how are they used?

 1417

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Un-Answered Questions { Bio Chemistry }

Concerning the nitrogen-containing bases that participate in nucleotides what is the difference between dna and rna.

523

Define kararch effect?

534

What is zone electrophoresis?

1618

To what organic group do pentoses belong?

584

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

1717




Define the phenomenon catenation. Which element has maximum catenation ability?

640

What is the quaternary structure of a protein? Do all proteins have quaternary structure?

568

Bacteria are prokaryotic cells, i.e., They do not have membrane-delimited nucleus. Eukaryotes have cells with delimited nucleus. Where in these types of cells can dna are found?

661

What is the relation between reaction taking place in one of the several stages and the total amount of energy liberated in the reaction?

641

What is saytzeff’s rule?

594

In 3d-series, which two elements exhibit an anomalous configuration?

562

Explain kararch effect?

544

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

1800

In double bond, how many sigma and Pi bonds are present in it?

631

Define bond angle?

711

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