Nucleus is called as brain of the cell, which contain genetic material. The red arrow in the image is showing genetic information of the bacteria.
Nucleus is generally referred as brain of the cell, it is surrounded by an envelop called as nuclear envelop.
The nucleus has a nucleolus, chromatin material and a fluid called nucleoplasm.
The chromatin material is entangled thread like structure which condense during the cell division to form chromosome.
As the red arrow is pointing towards the nuclei, it is showing the genetic information of the bacteria.
Thus the correct option is A.
For more information regarding nucleus, visit:
https://brainly.com/question/23366064
