Can you think and answer , how a reporter enzyme can be used to monitor transformation of host by foreign DNA in addition to selectable marker?

Do you think an electromagnet can be used for separating plastic bags from the garbage heap? Explain.

Can you think of a species extinct? How would you justify it?

Can you think, for how long would the lac operon be expressed in the presence of lactose?

Sarita and Ameena decide to paly a game of expressions. They take the variable x and the number 3 and see how many expressions they can make. The condition is that they should use not more than one out of the four number operations and every expression must have x in it. Can you help them? Sarita thinks of (x + 3) Then Ameena comes up with (x - 3) Is (3x+5) allowed? Is (3x + 3) allowed?

How can microbes be used for production of chemical and enzymes?

Can you think or a situation where we deliberately want to make a species extinct? How would you justify it?