Refer to the given figure and select the correct statement regarding it. (i) P is an important site for protein synthesis. (ii) R transfers the characteristics of a cell that are formed during cell division. (iii) Q is a dense fluid like agranular substance. (iv) P contains DNA while R contains RNA.

• A. (i) and (ii) only
• B. (i), (ii) and (iv) only
• C.  The heating of water
• D. (iii) and (iv) only