In this article we will discuss about:- 1. Definition of Chromosomes 2. Types of Chromosomes 3. Functions. Definition of Chromosomes: Chromosomes are rod shaped or threadlike deeply stainable condensed chromatin fibres which are hereditary vehicles as they store and transmit coded hereditary information. Chromosomes appear only during karyokinesis. They are meant for equitable distribution of genetic material. The number is [...]
In this article we will discuss about the Structure and Functions of Centrioles. Structure of Centrioles: Centrioles are minute-sub-microscopic micro tubular sub cylinders with a configuration of nine triplet fibrils and ability to form their own duplicates, astral poles and basal bodies, without having DNA and a membranous covering. They are approximately 0.3-0.5 µm in length and 0.15µm in diameter. [...]
The below mentioned article provides biology notes on Cytoplasmic Matrix. Cytoplasm is jelly-like semi-fluid general mass of protoplasm excluding the nucleus but including all other components— cytoplasmic matrix, cell organelles and cell inclusions. (A) Cytoplasmic Matrix or Cytosol (Hyaloplasm): It is the clear fluid part of the cytoplasm which can exist in two states, sol and gel. The two are [...]