Answer:
The thylakoid membrane is responsible for separation of different regions of the mitochondrion and the chloroplast.
This membrane is responsible for the major difference between chloroplasts and mitochondria in terms of their structure and function.
The membrane is very important in chloroplasts and it fills the role of the inner mitochondrial membrane in electron transport and the chemiosmotic generation of ATP.
Another geologic event that may occur in the dark shaded area on the map is wildfire. The dark shaded area as shown in the map, is an area more commonly known as "The Ring of Fire". Volcanic activity is very common in this area, due to to the many volcanos present.
I believe its A because a bonds with t g bonds with c and c bonds with g, translated to rna it's UCG.