Plant cells have several structures not found ... Like mitochondria, chloroplasts are surrounded by two membranes. The outer membrane is permeable to small organic molecules, whereas the inner ...

Specialised cell type Animal or plant cell? Function Features of cell that ... that are released to help it break through the outer membrane of the egg cell Phloem cell Plant The building block ...

to the cell's outer membrane. Together, the total area of a cell's internal membranes far exceeds that of its plasma membrane. Like the plasma membrane, organelle membranes function to keep the ...

Each component of a cell has its own function. Animal and plant cells differ and they ... This is mainly water. Cell membrane - a flexible outer layer that surrounds the cell and controls which ...