2.  2

3.  3

4.  4

2.  2

3.  3

4.  4

1.  call it quits

3.  stepped down

4.  none of these

2.   tell individual genes both at which time they should become active or should remain

3.  tells individual genes both when to become active or remain

4.  tells individual genes both when to become active or when to remain

5.  will tell an individual gene both about when it should become active and remain

1.  But to leading them through stages

2.  But to facilitating them via stages

4.  But to effect them vis-à-vis stages

1.  Unlike the lives of Pushkin, Gogol, Tolstoi, and Dostoevski, subjects of other Troyat biographies, Chekhov belongs

2.  Chekhov, unlike the other Troyat biographies of Pushkin, Gogol, Tolstoi, and Dostoevski, belongs

4.   Chekhov and his life, unlike that of the other Troyat biographies--- Pushkin, Gogol, Tolstoi, and Dostoevski, belong

5.  The life of Chekhov, unlike that of other Troyat biographies of Pushkin, Gogol, Tolstoi, and Dostoevski, belongs

1.  but to leading them through stages

2.  but to facilitating them via stages.

4.  but to effectthem vis-a-vis stages

1.  Bosnia-Herzegovina, Sarajevo's population

3.  Bosnia-Herzegovina is Sarajevo, with a population

4.  Bosnia-Herzegovina, Sarajevo having a population that

5.  Bosnia-Herzegovina, the population of Sarajevo

1.  Obvious

3.  Clear

4.  Minimised

1.  Suspectible

2.  Sensible

4.  Vulnerable