Protein_Synthesis

Protein_Synthesis - Figure 1: Protein Synthesis Protein...

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Figure 1: Protein Synthesis Protein synthesis is the process by which a protein is manufactured from a DNA template and constructed on a ribosome. This is the most important function of DNA. Now DNA itself cannot leave the nucleus so its structure needs to be changed into a form that can penetrate through the nuclear membrane. This form is called RNA. RNA differs from DNA in four major ways. First off it has a different sugar molecule called Ribose instead of Deoxyribose. Secondly it is single stranded instead of double stranded. The third way it is different is the base pair thymine is changed to uracil . Finally, RNA can leave the cell nucleus and DNA cannot. There are two types of RNA that are involved in protein synthesis; messenger RNA (mRNA) and transfer RNA (tRNA) . The process of protein synthesis is not complex and involves two steps transcription and translation . A visual image of this is shown in Figure 1. Transcription occurs first and is the process of constructing an mRNA strand off a DNA template. In
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This note was uploaded on 04/27/2009 for the course ANTHRO 304 taught by Professor Gray during the Spring '09 term at Kansas.

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Protein_Synthesis - Figure 1: Protein Synthesis Protein...

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