Time management is very much important in IIT JAM. The eduncle test series for IIT JAM Mathematical Statistics helped me a lot in this portion. I am very thankful to the test series I bought from eduncle.
Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
Tanuja bunkar
acidic and basic amino acids have 3 ionisable group because their R group carry extra carboxyl gp(coo-) and amine gp(NH3+) respectively so ans would be (d) lysine is basic A.A.