small flattened organelles between 2-10 micrometres: they absorb light to carry out photosynthesis to make glucose for respiration.
double membrane: outer membrane is permeable to small molecules and ions but not to large proteins. inner membrane regulates passage of large substances.
what is the function of stroma?
Gel like fluid containing enzymes, starch granules, proteins and chloroplast DNA and ribosomes. Starch granules are used to store the products of photosynthesis.
