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Untitled Prezi

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by

Pedro Sánchez Esquivel

on 31 August 2013

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Transcript of Untitled Prezi

The Golgi Apparatus
& ribosomes

found plant and animal cells
comprised of a series of five to eight cup-shaped, membrane-covered sacs called cisternae

Animal cells generally contain between ten and twenty Golgi stacks per cell, which are linked into a single complex by tubular connections between cisternae. This complex is usually located close to the cell nucleus.
The Golgi Apparatus
Location in the cell
Composition & functions
The Golgi apparatus is often considered the distribution and shipping department for the cell's chemical products.
It modifies proteins and lipids (fats) that have been built in the endoplasmic reticulum and prepares them for export outside of the cell or for transport to other locations in the cell.
Ribosomes
Ribosomes are cell organelles that consist of RNA and proteins.

They are responsible for assembling the proteins of the cell.

Depending on the protein production level of a particular cell, ribosomes may number in the millions.
Location in the cell
There are two places that ribosomes usually exist in the cell: suspended in the cytosol and bound to the endoplasmic reticulum. These ribosomes are called free ribosomes and bound ribosomes respectively. In both cases, the ribosomes usually form aggregates called polysomes or polyribosomes during protein synthesis
The Golgi apparatus was one of the first organelles ever observed. In 1897, an Italian physician named Camillo Golgi
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