





For a gas P-V curve is given as shown in the diagram. Curve path follows equations \((V - 2)^2 = 4aP\). Find work done by gas in given cyclic process. 
How many tripeptides are possible when following three amino acids make tripeptide? (No amino acid should repeat twice)
(A) Glycine
(B) Alanine
(C) Valine
Find out the sequence of amino acids from N-terminal to C-terminal in given polypeptide chain. 
Hydrocarbons are organic compounds that are entirely made up of only two kinds of atoms – carbon and hydrogen. Typically, hydrocarbons are colourless gases that have very weak odours.
According to experimental evidences, SE (S = substitution; E = electrophilic) reactions are supposed to proceed via the following three steps: