Tag Archives | Cell Organization

Mitochondria: Ultrastructure, Function and Reproduction | Cytoplasm

In this article we will discuss about:- 1. Ultrastructure of Mitochondria 2. Function of Mitochondria 3. Reproduction. Ultrastructure of Mitochondria: In 1953, Palade and Sjostrand independently described the ultrastructure of mitochondria. Mitochondria are bounded by an envelope consisting of two concentric membranes, the outer and inner membranes. The space between the two membranes is called inter-membrane space. A number of [...]

By |2016-07-12T13:51:03+00:00July 12, 2016|Mitochondria|Comments Off on Mitochondria: Ultrastructure, Function and Reproduction | Cytoplasm
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3 Main Classes of Protein Fibers in Cytoskeleton | Cell

The following points highlight the three main classes of protein fibers in cytoskeleton. The classes are: 1. Microtubules 2. Actin Filaments 3. Intermediate Filaments. Protein Fibers in Cytoskeleton: Class # 1. Microtubules: Microtubules are long thread-like structures measuring about 25 nm in diameter; their length varies up to several millimeters. Microtubules have the following two main properties: (i) Long and [...]

By |2016-07-12T13:51:03+00:00July 12, 2016|Cytogenetics|Comments Off on 3 Main Classes of Protein Fibers in Cytoskeleton | Cell
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Structure of Cells

In this article we will discuss about the structure of cells in all living organisms. In 1965, Robert Hooke observed a section of cork under microscope; he saw numerous chambers similar to those of beehive. He called the individual chambers as Cells. But he, in fact, observed only the walls of actual cells as he was viewing dead cells. Subsequently, [...]

By |2016-07-12T13:51:03+00:00July 12, 2016|Structure of Cells|Comments Off on Structure of Cells
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