'Polypeptide protein' presentation slideshows

Chapter 15: Regulation of Gene Expression

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Fig. 17-5

Fig. 17-5. Second mRNA base. First mRNA base (5 ? end of codon). Third mRNA base (3 ? end of codon). the mechanism of translation. Amino acids. Polypeptide. tRNA with amino acid attached. Ribosome. Trp. Phe. Gly. tRNA. Anticodon. Codons. 5 ?. 3 ?. mRNA. trp operon.

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RNA

RNA. R ibo N ucleic A cid. Also made of monomers called nucleotides 5 carbon sugar: Ribose Phosphate functional group: PO 4 1 of 4 nitrogen bases Cytosine Guanine Adenine Uracil replaces Thymine Molecule is a single strand. Purpose of RNA.

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