Notes on Chromosomes. After reading this article you will learn about: 1. Introduction to Chromosomes 2. Shape of Chromosomes 3. Size 4. Number 5. Morphology 6. Characteristic Features 7. Classification 8. Special Types 9. Some Other Chromosomes 10. Role of Chromosomes in Heredity 11. Change in Chromosomes Structure. Contents: Notes on Introduction to Chromosomes Notes on the Shape of Chromosomes [...]
In this article we will discuss about the Subject Matter and Classification of Plastids: Subject Matter of Plastids: Plastids are unique and discrete cytoplasmic organelles found in the cells of most of the plants and certain unicellular organisms particularly protozoa, but not in the cells of higher animals. Although Comparethi (1791) noticed the presence of green granules and Sacks (1865) [...]
The following points highlight the four main components of the Cytoplasm. The components are: 1. Groundplasm or Cytoplasmic Matrix 2. Organoids or Organelles 3. Inclusions or Ergastic Substances 4. Vacuoles. Cytoplasm: Component # 1. Groundplasm or Cytoplasmic Matrix: In light microscopy the term groundplasm refers to the liquid fraction of cytoplasm in which other components of the protoplast are [...]