In this article we will discuss about:- 1. Discovery of Lysosomes 2. Types of Lysosomes 3. Functions. Discovery of Lysosomes: They were discovered accidently by a Belgian scientist, Christian de Duve, in 1955 through fractionation technique. The organelles were observed under electron microscope by Novikoff (1956). He also coined the term, lysosomes. Lysosomes (Gk. lysis- digestive or loose, soma- body) [...]
In this article we will discuss about:- 1. Meaning of Mitochondria 2. Shape and Size of Mitochondria 3. Structure 4. Autonomy 5. Functions. Meaning of Mitochondria: Mitochondria are cell organelles of aerobic eukaryotes which take part in oxidative phosphorylation and Krebs cycle of aerobic respiration. They are called power houses of cell because they are the major centres of release [...]
In this article we will discuss about:- 1. Meaning of Cell Wall 2. Functions of Cell Wall 3. Chemical Composition 4. Structure 5. Cell Coat. Meaning of Cell Wall: It is the outer rigid protective supportive and semi transparent covering of plant cells, fungi and some protists. Cell wall was first seen in cork cells by Hooke in 1665. Its [...]