In this article we will discuss about:- 1. Meaning of Plasma Membrane 2. Structure of Plasma Membrane 3. Functions. Meaning of Plasma Membrane: The membrane enclosing a cell is called cell membrane or plasma membrane (animal cells) and plasma lemma (plant cells). It contains proteins and lipids in the ratio of 80 : 20 in bacteria on one extreme and [...]
The following points highlight the eleven main organelles that eukaryotic cytoplasm possess. The organelles are: 1. Endoplasmic Reticulum (ER) 2. Golgi Complex 3. Lysosomes 4. Peroxisomes 5. Glyoxysomes 6. Spherosomes 7. Vacuole 8. Centrosome 9. Ribosomes 10. Chloroplast 11. Mitochondria. Organelle # 1. Endoplasmic Reticulum (ER): Endoplasmic reticulum is a highly convoluted sheet of membranes extending from the nuclear membrane. [...]
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 [...]