Chloroplast

Chloroplasts are flattened organelles surrounded by a double membrane and are found in plant cells.

Thylakoids stack on top of each other to form grana, which are linked by thylakoid membranes called lamellae.

Thylakoids contain photosynthetic pigments (chlorophyll a, chlorophyll b and carotene) which absorb light energy required for photosynthesis…