The below mentioned article provides notes on animal cells. According to the cell theory animals are composed of cells and of cell products. The cell is the structural and functional unit of the animal body and the branch of Zoology which deals with cells is known as cytology. In unicellular animals the cell and the organism are one, whereas in [...]
In this article we will discuss about the stages of mitosis. Mitosis is the usual form of nuclear division and occurs universally amongst the somatic cells (soma=body) of higher animals. It involves a complex series of changes by means of which the nucleoplasm, particularly the chromosomes, undergo accurate division into two sets, which are distributed equally between the two daughter [...]
The following points highlight the top eight constituents of an animal cell. The constituents are: 1. Cell membrane 2. Nucleus 3. Mitochondria 4. Endoplasmic Reticulum 5. Ribosomes 6. Centrioles 7. Lysosomes 8. Cytosol. Constituents # 1. Cell Membrane: (i) The boundary of every cell has a thin membrane of thickness 75A units (although the thickness varies from70A to 100A). This [...]