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Tuesday, February 26, 2013

Cell Structure

Cell Structure

Nucleus
The nucleus is one of the more or less important structures in living organisms. It is what controls when the mobile phone produces what proteins, when, and where, it controls growth, and it regulates metabolism. The function of the nucleus is quite entirely the total control of the stall. Inside the nucleus is chromatin. The nucleus is unremarkably the largest organelle in the stall. It is present is every cell away from red blood cells and phleum sieve tubes.

The nucleus is the most prominent structure of the cell, taking up about 10% of the total volume of the cell. It is enclosed in a membrane, and it is tho in eukryoatic cells. The nucleus contains two major things, one, the chromatin, and two the nucleole. The nucleolus is the structure that makes ribosomes. Each cell nucleus usually contains at least one nucleolus. A membrane called the nuclear windbag contains the contents of the nucleus.
The nucleus of the cell also contains DNA. Every cell needs DNA to be what it is. i.e. if it is a skin cell then it needs to contain the right DNA for the people of color of your skin.

Below is the diagram of the nucleus. It clearly shows each part of the organelle.



Mitochondria
Mitochondira is a membrane-enclosed organelle found in most eukaryotic cells.

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This organelle ranges from approximately 0.5- 10 micrometres. Yo may find several kibibyte mitochondria in one cell. The numbers depend on what the cell needs to do. If the purpose of the cell is to transmit nerve impulses, on that point will be fewer mitochondria than in a pass cell that needs loads of energy. Mitochondria are the main ejaculate of energy in a cell as it makes adenosine triphosphate which is utilize as a chemical energy. In addition to planning cellular energy, mitochondria is involved in a range of opposite processes, such as signaling, cellular differentiation, cell death, as sanitary as the control of the cell cycle and cell growth.

Mitochondria keep up two membranes. The outer membrane covers the...If you want to get a full essay, order it on our website: Orderessay



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