What is the numeric relation between pyrimidine and purine bases in the dna molecule? Is that relation valid in rna molecules?161
What is the rule for the pairing of nitrogen-containing bases in the dna molecule and in the rna? Is this last question appropriate?143
What are the chemical bonds of the dna molecule that are broken for the replication process to occur?132
What is structure of Nacl and give the co-ordination number of Nacl?
What are the main factors that alter the speed of enzymatic reactions?
How does temperature affect the action of enzymes upon their substrates?
Explain which branch of science deals with the transformation of chemical energy into electrical energy and vice versa?
Give the formula for Peral Ash?
Does ph affect the enzyme activity?
What are some factors that can lead to protein denaturizing?
Why are free cysteines treated with iodoacetate prior to protein sequencing?
The bond formed between the transition metal ion and ligand is?
What is xylose?
Why can it be said that the enzymatic action is highly specific?
What is isomerism?
Which electrode acts as reference electrode and gives its potential value?
Define co-ordination covalent bond?
What is the ratio of slaked lime and sand in mortar?