According to the watson – crick model how many polynucleotide chains does a dna molecule has?
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Are nucleotides formed of only one type of pentose?
what is the difference between stereo and optical isomerism?
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 are the types of chromatography?
Explain what is the primary structure of a protein? What is the importance of the primary structure?
What is the quaternary structure of a protein? Do all proteins have quaternary structure?
why ph is not more than 14?
Define polar covalent bond?
What is the composition of Adenyl cyclase ?
differene between chvostek's sign and trousseau's sign?
Who proposed law of mass action? What does it states?
What is nanotechnology?