DNA Translatio5 - DNA Translation Transfer RNA In The...

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Unformatted text preview: DNA Translation Transfer RNA In The Genetic Code , we explained how each codon in messenger RNA (mRNA) codes for a specific amino acid, and that in the process of translation the mRNA brings the amino acids together to form proteins. That explanation is correct, but it is also simplified, and overlooks a crucial component of the translation process. That component is transfer RNA (tRNA), which acts as a kind of link between the information encoded in the mRNA and the amino acids. If the mRNA is a code, then the tRNA is the key that interprets that code into physical proteins. This section will describe the structure of tRNA and describe how tRNA can "carry" amino acids; knowledge of these aspects of tRNA will be vital for understanding the actual process of proteins synthesis covered next section . The Structure of tRNA Transfer RNA molecules vary in length between 60 and 95 nucleotides, with the majority measuring about 75 nucleotides (much smaller than the normal mRNA strand). Regions of self-measuring about 75 nucleotides (much smaller than the normal mRNA strand)....
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This note was uploaded on 01/27/2012 for the course BIOLOGY BSC1005 taught by Professor Rodriguez during the Winter '09 term at Broward College.

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DNA Translatio5 - DNA Translation Transfer RNA In The...

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