The cell wall is initially deposited on the surface of the middle lamella. This primary cell wall occurs on the surface of … See more

Immediately inside the cell wall there is a cell membrane surrounding the contents of the cell. It is made up of a phospholipid bilayer with proteins. The outer surface of the phospholipid layer is attracted by water (hydrophilic… See more

The nuclear envelope is a double membrane that surrounds the nucleus. It contains pores that allow rapid communication between the cytoplasm of the cell and the nucleoplasm. Nucleoplasm is similar t… See more

The endoplasmic reticulum (ER) is a complex system of membranes, tubules, cisternae and vesicles, appearing in two types: smooth and rough ER. Smooth ER is comprised of interconnected vesicles and cisternae th… See more

Plants create many different types of cells, which have various functions. Most new cells in are produced in specialised regions of tissue, called meristems. Primary growth occurs in the apical meristems of the shoots and … See more