PROTEIN - 4 Anticodon a 3 nucleotides complementary to codon for amino acid in binding site b Positions the amino acid in the proper sequence coded

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PROTEIN (ENZYME) SYNTHESIS RIBONUCLEIC ACID (RNA) Structure 1. Consists of RNA nucleotides a. Ribose (instead of 2-deoxyribose) b. Uracil (instead of thymine) 2. Single helix (instead of double helix) B. Three Types of RNA 1. Messenger - RNA (m-RNA) a. Structure 1). Produced complementary to 1/2 DNA (master strand, active side) 2). Equal to one gene (code for one protein) 3). Three nucleotides = codon 4). Codon = code for one specific amino acid 5). Long, linear, single helix b. Function 1). Carries code for production of one protein 2). Site of protein synthesis - ribosomes 2. Transfer - RNA (t-RNA) a. Structure 1). Smaller, approx. 80 nucleotides 2). Folded - clover leaf shaped molecule 3). Amino acid binding site - specific for one amino acid
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Unformatted text preview: 4). Anticodon a). 3 nucleotides complementary to codon for amino acid in binding site b). Positions the amino acid in the proper sequence coded for in m-RNA b. Function 1). Carries amino acid to site protein synthesis (amino acid binding site) 2). “Positions” amino acid according to code in m-RNA (anticodon) 3. Ribosomal - RNA (r-RNA) a. Structure 1). r-RNA + proteins = ribosome 2). Two subunits form ribosome 3). Active site - attachment site for codons on m-RNA d. Function 1). Holds m-RNA in position 2). One codon at a time 3). Translation of m-RNA → protein synthesis...
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This note was uploaded on 01/23/2012 for the course MCB MCB2010 taught by Professor Smith during the Fall '09 term at Broward College.

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PROTEIN - 4 Anticodon a 3 nucleotides complementary to codon for amino acid in binding site b Positions the amino acid in the proper sequence coded

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