Plasma Membrane: It is the outer covering of each cell. Present in cells of plants, animals and microorganisms. It is a living and quite thin, flexible and selectively permeable membrane.

There are many different types of cells in plants. Each type is specialised to do a particular role and ensures that the organism functions as a whole. The root hair cell has a large surface area ...

Heterogeneity in the polysaccharide constituents of plant cell walls has been recognized since the earliest chemical analyses of isolated wall preparations. Clear and dramatic differences in ...