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Bio Chemistry Interview Questions
Questions Answers Views Company eMail

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

1937

How does the UV absorption of specific amino acids aid biochemists?

1 3735

How does isoelectric focusing work?

1 5118

What are some commonly used biochemical buffers?

3 4742

Describe the structure of a peptide giving the sequence.

1780

How do peptides react with cyanogen bromide?

2088

How do hydrophobic and hydrophilic residues arrange themselves in globular proteins?

2129

What role does the primary structure play in determining the folding pattern of a protein?

1 3769

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

2718

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

2509

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

2 4094

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

2105

What is meant by “cooperative folding” of proteins?

1 3834

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

1 6559

What factors cause salting in and salting out of macromolecules?

1 3764


Post New Bio Chemistry Questions

Un-Answered Questions { Bio Chemistry }

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

1062


Give the formula for Peral Ash?

1125


Explain how the production of rna called?

925


What can be the causes of fatty liver?

1019


explain why can it be said that the enzymatic action is highly specific?

1034


Explain how the production of rna called? What is the enzyme that catalyzes the process?

1002


Define limiting radius?

1064


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

2126


What is the rule for the pairing of nitrogen-containing bases in the dna molecule and in the rna?

1001


Explain the Use of ammonal?

1020


The elution volume of an enzyme on a gel filtration column can be predicted from a) its enzyme activity b) its protein absorbance at 280 nm c) subunit composition and monomer molecular mass(es) d) Choices a) and b) are both correct.

3213


If a polar molecule has a charge of 4.8 * 10^ (-10) and internuclear distance is 1A then what is its dipole moment?

1010


In sickle cell anemia, a hereditary disease, there is substitution of one amino acid by other in one of the four-polypeptide chains of hemoglobin. In this case, are all of the structural levels of the protein modified?

1186


what are the steps involved in the calibration of HPLC

2630


How much amount of energy is required to break the triple bond in nitrogen molecule?

1053