Consider the following processes which are preparatory to cell division during interphase and choose the correct answer:<br>1. Replication of DNA takes place<br>2. The centrioles divide, forming a pair of new centrioles<br>3. Synthesis of energy-rich compounds which provide energy for mitosis<br>4. Synthesis of proteins which are later found in the spindle

Correct Answer: 1, 2, 3 and 4 are true