What important component does chloroplasts contain?

chlorophyll; captures energy of sunlight to produce glucose

How many membranes do chloroplasts contain?

2

What are the 2 membranes separated by?

inner membrane space

What are the flattened sacs inside of the chloroplast called?

Thylakoids

When the thylakoids are stacked, what are they called?

Granum

What is the fluid inside the chloroplasts called?

Stroma