Given figure represents the ultrastructure of a typical cyanobacterial cell. Identify the different parts and select the correct option for A and B.
The chromatin material is formed of: (a) DNA only
(b) DNA and Histones
(c) Histones only
(d) Nucleotides
This graph is a typical cell cycle representing DNA content of various phases (1 to 4). Identify the phases based on changes in the DNA content and select the correct option.