What is racemic mixture? Why it is optically inactive?

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What role do disulfide bonds play in protein folding, and in protein stability?

1 Answers  

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HOW PAPAVERINE CAN BE PREPARED FROM TYROSINE/

1 Answers   Aurobindo,

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The peptide bond in proteins is a) nonpolar, and fixed in a trans conformation. b) nonpolar, but rotates to three preferred dihedral angles. c) planar, and usually found in a trans conformation. d) planar, but rotates to three preferred dihedral angles.

1 Answers  

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Many genes are regulated in both a negative and a positive manner. The genes mediating lactose metabolism in bacteria are a classical example. What are the two small molecule ligands that control expression of these genes? What does each one do?

1 Answers   Pace Pharmaceuticals,

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What does a sedimentation coefficient measure?

1 Answers  

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What kinds of compounds are water soluble? Why?

2 Answers  

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how will u identify which one of the given 2 test tube contains protein solution or which one contains DNA solution without using any instrument?

5 Answers  

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what is the wood sugar?

1 Answers  

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What are the common features of active site?

1 Answers  

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Cells are in nonequilibrium, open systems. In what way is thermodynamics useful in this situation?

1 Answers  

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Distinguish between type I and type II DNA topoisomerases.

2 Answers  

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