In this article we will discuss about the types and parts of nucleus in plants. Types of Nucleus: 1. Uninucleate cell: It is also referred to as monokaryotic cell, mostly plant cell which contain single nucleus. 2. Bi-nucleate cell: It is also called as dikaryotic cell, which contains 2 nucleus at a time. Example is […]
Nucleus in Plant Cell: Types and Parts
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6 Main Parts of a Chromosome
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The following points highlight the six main parts of a chromosome. The parts are: 1. Pellicle and Matrix 2. Chromatids, Chromonema and Chromomeres 3. Centromeres 4. Secondary Constriction 5. Satellite 6. Telomere. Part # 1. Pellicle and Matrix: A membrane which surrounds each chromosome is said as pellicle. A jelly substance present inside the membrane […]
Chromosomes: Meaning, Composition and Functions | Cell Nucleus
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In this article we will discuss about:- 1. Meaning of Chromosomes 2. Number of Chromosomes 3. Size 4. Chemical Composition 5. Functions 6. Special Types. Meaning of Chromosomes: Chromosomes are the most important constituents of the nucleus and were first observed by Holfmeister (1848) in pollen mother cell of Tradescantia and called it nuclear filaments. […]
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