Can you think of, how tapetal cells could become bi-nucleate ?

How tapetal cell in microsporangium can become binuciente?

Remember, glucose or galactose cannot act as inducers for lac operon. Can you think, of how long the lac operon would be expressed in the presence of lactose?

Can you think of some other ending for the story?

We commonly call ATP as the energy currency of the cell. Can you think of some other energy carries present in a cell ? Name any two.

Can you think and answer how a reporter enzymes can be used to monitor tranformation of host cells by foreign DNA in addition to a selectable marker ?