Keywords

KEYWORDS

Cell: Basic structural and functional unit of life.
Unicellular organisms: Organism that is made up of single cell only.
Multicellular organisms: Organisms made up of many cells which function in co-ordination to sustain life.
Zygote: Fertilized egg or a cell formed by the fusion of ovum and sperm.
Tissue: A group of similar cells performing a specific function.
Plasma membrane: The membrane made up of protein and lipids that encloses the cytoplasm and nucleus of the cell.
Cytoplasm: It is the jelly-like substance present between the cell membrane and the nucleus.
Gene: Functional hereditary unit of life that codes for particular function of the living body.
Prokaryotic cells: Cells having primitive type of nucleus that lacks nuclear membrane.
Eukaryotic cells: Cells having well organized nucleus which is separated from cytoplasm by the nuclear membrane.