Cyclic adenosine monophophate was discovered by
` Or vAMP mediated 'Cascade model' of enzyme regulation eas proposed by

Lock & Key model of enzyme action was proposed by

Lock & Key model of enzyme action was proposed by

Operon model' for gene regulation in bacteria was proposed by

Operon model' for gene regulation in bacteria was proposed by

Operon model of gene regulation and organisation of prokaryotes was proposed by

Which of the following statements are correct i) Positron is predicted by Dirac and discovered by Anderson ii) Liquid drop model of nucleus is developed by Bohr and Wheeler iii) Carbon cycle was proposed by Bethe iv) Fission reaction is first observed by OttoHahn ans Strassman

Which of the following statements are correct (i) Positron is predicted by Dirac and discovered by Anderson (ii) Liquid drop model of nucleus by Bohr and Wheeler is developed (iii) Carbon cycle was proposed by Bethe (iv) Fission reaction is first observed Otto Hahn and Strass man