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Thursday, November 10, 2011

Biochemistry Interview Questions

What is Threshold energy?

What is Banana bond? Diborane contains how many banana bonds

What is Hoffman degradation method?

Why the 2A group elements are called Alkaline earth elements?

How can we calculate the number of possible optical Isomers for a given Compound?

What is the difference between the alpha helix and the beta-sheet protein conformations?

How many sigma and pi bonds are present in nitrogen formula?

Name the first synthetic organic compound. Who proposed it and from which compound?

Define Hybridization.

H2S2O7 is. Oxidation state of sulphur in it is.

What are similarities and differences between the transcription process and the replication processes?

In downs process sodium metal is extracted by the electrolysis of? In nelsons cell NaoH is prepared by electrolysis of.

What is the shape of molecules SF6 and IF7?

What are the main factors that alter the speed of enzymatic reactions?

How do you define free radical addition reaction? Give an example.

Do enzymes act better under acid or basic pH?

What are the three main types of RNA? What is meant by heterogeneous RNA?

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

What is Allotropy?

What is the primary structure of a protein? What is the importance of the primary structure?

What does Thermodynamics helps in predicting?

Give the example for electrophilic substitution reaction.

Who proposed VSEPR theory? What does it explain?

In which oxidation state chromium exhibit different color?

What is the tertiary structure of a protein? What are the main types of tertiary structure?

How do you define the molecularity of a reaction?

What is the rule for the pairing of nitrogen-containing bases in the DNA molecule and in the RNA? Is this last question appropriate?

What is the ratio of slaked lime and sand in mortar?

IN XeF4, the bond angle between F-Xe-F is _________.

What is the numeric relation between pyrimidine and purine bases in the DNA molecule? Is that relation valid in RNA molecules?

Define bond energy?

What is the Anhydride of N2O5?

What are dextrorotary compounds and Levi rotary compounds?

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

What is the lattice energy of Nacl?

Catalyst used in Bio-Chemical reactions is called.

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

Define Geometrical Isomerism.

What are enzyme cofactors?

What does Ammonal contain? For what purpose it is used.

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