In this article we will discuss about Cytoskeleton:- 1. Meaning of Cytoskeleton 2. Components of Cytoskeleton. Meaning of Cytoskeleton: Earlier idea of cell was that it was a collection of some cell organelles suspended in cell sap. But with the advancement of microscopic techniques and the discovery of electron microscopy the idea of cell has been changed radically. Now the [...]
In this article we will discuss about Cytoplasmic Inheritance:- 1. Subject-Matter of Cytoplasmic Inheritance 2. Terms and Definitions of Cytoplasmic Inheritance 3. Characteristics and Detection 4. Extra-Nuclear Inheritance in Eukaryotes. Subject-Matter of Cytoplasmic Inheritance: The existence of genes as segments of nucleic acid molecules, located in chromosome of nucleus, has been demonstrated by several experiments. The nuclear genes control the [...]
The contribution of Cytoplasm in nuclear division of Mitosis are as follows: In nuclear division of mitosis, cytoplasm makes a contribution in several aspects: [I] Spindle fibres: These are achromatic fibres forming in cytoplasm of both animal and plant cells. Their origin is probably cytoplasmic rather than nuclear, although it is generally believed that nucleoplasm liberated after breakdown of nuclear [...]
