In this article we will discuss about the functions, size and shape of a cell. Functions of Cell: The description of different cellular components may lead to this erroneous idea that each component probably carries its activity independently. It is not so. All the cell organelles work together and their work is absolutely dependent upon each other. The working of [...]
Learn about the comparison between Prokaryotes and Eukaryotes. Comparison # Prokaryotes: 1. Cell in prokaryotes is smaller in size with a primitive type of nucleus called nucleoid or genophore. 2. The nuclear membrane is absent in prokaryotes. 3. The genetic material is only nucleic acid DNA. 4. The DNA molecules are circular and not associated with histone protein. 5. Endoplasmic [...]
The following points highlight the four main types of tissues seen in animals. The types are: 1. Epithelial Tissues 2. Connective Tissue 3. Muscular Tissue 4. Nervous Tissue. Type # 1. Epithelial Tissues: The cells taking part in this type of animal tissue have a regular, well-defined shape and scanty intercellular substance. They are usually in contact with one another [...]