In this article we will discuss about:- 1. Evolution of First Cell 2. Origin of Cell Membrane in First Cell 3. Evolution of Metabolism 4. Prokaryotic Cell. Evolution of First Cell: Early living cells were RNA life forms, self- replicating RNA covered by lipoprotein vesicles were the pre-prokaryotes, with time the proteins replaced the catalytic […]
Evolution of First Cell | Biology
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Plastids: Types, Structure and Function (With Diagram)
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In this article we will discuss about:- 1. Types of Plastids in Cell 2. Structure of Chloroplastid 3. Origin 4. Function. Types of Plastids in Cell: Plastids may be coloured or colourless and are of three types. The leucoplasts are the colourless plastids principally serving the purpose of storage. On the basis of nature of […]
Quick Notes on Endoplasmic Reticulum
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Quick Notes on Endoplasmic Reticulum! Structure of Endoplasmic Reticulum in Cell: Structurally the endoplasmic reticulum (ER) consists of cisternae, tubules and vesicles (Fig. 2.42). The cisternae are broad, flat, membrane-bound spaces arranged parallel to each other to form lamellae, which are connected with each other. The tubules are 50-1OOA in diameter. The vesicles or sacs […]
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