Logic Behind Para-Jumbles

The logic behind NOR gate is that it gives

The logic behind 'NOR' gate is that it gives

The logic behind 'NOR' gate is that it gives

The logic behind 'NAND' gate is that it gives

The function of neuromotor system in Para- mecium is concerned with

A low level of expression of lac operon occurs at all the time. Can you explain the logic behind this phenomena.

One physics expert has said that 'We cannot move our fingers without disturbing all stars'. Explain the logic behind this statement.