Lecture notes on chromosome. After reading these notes you will learn about: 1. Introduction to Chromosome 2. Meaning of Chromosome 3. Number and Size 4. Structure and Morphology 5. Molecular Organization 6. Mechanism of Chromosome Condensation 7. Special Types 8. Karyotype Concept 9. Heterochromatin. Contents: Notes on Introduction to Chromosome Notes on the Meaning of Chromosome Notes on the Number [...]
In this article we will discuss about:- 1. Meaning of Lysosomes in Cell 2. Structure of Lysosomes in Cell 3. Function. Meaning of Lysosomes in Cell: Lysosomes are ultra structural particles of the cell containing hydrolytic enzymes responsible for digestion. Though these are common in animal cell, but in plants these are found in the lower groups, such as euglenoids, [...]
The following points highlight the three main constituents of nucleus. The constituents are: 1. Nuclear Envelope 2. Nucleolus 3. Nucleoplasm. Constituent # 1. Nuclear Envelope: Under the electron microscope the nuclear envelope appears to consist of two membranes, the outer and the inner nuclear membranes, separated by a perinuclear space of 20 nm (Fig. 2.65). Each of the two membranes [...]