Solve these clues to fill the grid.
- A rigid layer of polysaccharides enclosing the membrane of plant and prokaryotic ___
- 3 Across
- Plastid containing ___ and other pigments (plural)
- 6 Across
- A thin ___ enclosing the cytoplasm of a cell
- 8 Across
- An organelle in the cytoplasm of a living cell (plural)
- 10 Across
- Gas in the air that we need to breathe
- 1 Down
- A thin ___ enclosing the cytoplasm of a ___
- 2 Down
- Sweet white crystals added to food
- 4 Down
- A netlike structure in the cytoplasm of animal cells
- 5 Down
- A ___ that is a structural and functional unit of a ___
- 7 Down
- Center of an atom or a cell
- 9 Down
- A complex carbohydrate found chiefly in seeds, fruits, tubers, roots and stem pith of plants
- 11 Down