The following points highlight the six main components of the nucleus found in cells. The components are: 1. Nuclear Envelope 2. Nuclear Lamina 3. Nucleoplasm (Nuclear Sap) 4. Nucleolus 5. Chromatin Fibres 6. Nuclear Matrix. Component # 1. Nuclear Envelope: The nuclear envelope is made up of two concentric membranes, each of 7-8 nm thickness. The space between the two [...]
The following points highlight the three main components of animal cell. The components are: 1. Plasmalemma 2. Cytoplasm 3. Nucleus. Animal Cell: Component # 1. Plasmalemma: This is the outermost limiting membrane of the cell. The concept of plasmalemma developed long before it was actually seen. The structure of plasmalemma was revealed only after the use of electron microscope. It [...]
The following points highlight the nineteen main components of gynoecium in a flower. Some of the components are: 1. Parts of a Typical Gynoecium 2. Monocarpellary 3. Apocarpous 4. Syncarpous 5. Bicarpellary 6. Tricarpellary 7. Tetracarpellary 8. Pentacarpellary 9. Multicarpellary 10. Pistillode 11. Locule and Loculi 12. Unilocular 13. Bilocular 14. Trilocular 15. Multilocular 16. Replum and a few others. [...]