Answer:
choloroplast is absent in prokaryotic cell but chlorophyll when arranged with protein molcules form light harvesting complex which is know as chorosome. the complex helps in carrying out photosynthesis in the cell
Mutations can occur during DNA replication if errors are made and not corrected in time. Mutations can also occur as the result of exposure to environmental factors such as smoking, sunlight and radiation.
The one right next to the x variable