Biology Blogs For Class11th, 12th and NEET

                                       Golgi  Complex The Golgi body is a membrane-bound organelle found in all the eukaryotic cells except RBCs. They remain scattered in the cytoplasm and called dictyosomes but in an animal cell they are localized. Camello Golgi in the year 1898 discovered it from the nerve cell of the cat and named it Golgi after discovery. It plays a significant role in the synthesis of large molecules of complex carbohydrates. Golgi Complex is also known by another name Lipchondria, Idiosome, Dalton Complex, and Golgi Apparatus. Also, refer - Golgi body Role Of Golgi Complex  -   Golgi Complex is responsible for transporting and packaging of protein & lipid molecules into vesicles for delivery to the target destination.   Origin -  It is believed that Golgi Body arises from the vesicle of the endoplasmic reticulum. Structure -  Golgi bodies are membrane-bound organelles. When it was studied in an electron microscope then the following str

                                          Chromosome Chromosomes are thread like structure  present inside the nucleus . This chromosomes play a wide role in heredity hence they are also called carriers of heredity . The word Chromosome is derived from two Greek words - Chroma - Color and Soma - Body .  Generally they are found in pairs and vary with organisms like in human they are 23 , elephants 28 , cat have 19 pairs of chromosomes . Structure Of Chromosomes -   In 1888 W. Waldeyer called  this thread like structure a Chromosome as they could be stained with the help of stains like acetocarmine , acetoorcein etc . The structure of chromosome are composed of following parts - Pellicle -    Each chromosome is bounded by membrane called Pellicle . Matrix -  The  jelly like structure present inside chromosome enclosed by pellicle is known as Matrix Chromatids - Chromatids  is the  two strands of  DNA that make  Chromosomes . Two chromatids are joined by a centr