Which of the following four cell structures is correctly matched with the accompanying description?
(a) Plasma membrane - Outer layer of cellulose or chitin, or absent
(b) Mitochondria - Bacteria like elements with inner membrane forming sacs containing chlorophyll, found in plant cells and algae
(c) Chloroplasts - Bacteria like elements with inner membrane highly folded
(d) Golgi apparatus - Stacks of flattened vesicles