Biology, Pages 334-346Neil Campbell and Jane Reece's Biology remains unsurpassed as the most successful majors biology textbook in the world. This text has invited more than four million students into the study of the dynamic and essential discipline. The authors have restructured each chapter around a conceptual framework of five or six big ideas. An Overview draws students in and sets the stage for the rest of the chapter, each numbered Concept Head announces the beginning of a new concept, and Concept Check questions at the end of each chapter encourage students to assess their mastery of a given concept. New Inquiry Figures focus students on the experimental process, and new Research Method Figures illustrate important techniques in biology. Each chapter ends with a Scientific Inquiry Question that asks students to apply scientific investigation skills to the content of the chapter. |
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Page 324
DNA TRANSCRIPTION Amino end of polypeptide mRNA Ribosome 1 Codon recognition . The anticodon of an incoming aminoacyl tRNA basepairs with the complementary mRNA codon in the A site . Hydrolysis of GTP increases the accuracy and ...
DNA TRANSCRIPTION Amino end of polypeptide mRNA Ribosome 1 Codon recognition . The anticodon of an incoming aminoacyl tRNA basepairs with the complementary mRNA codon in the A site . Hydrolysis of GTP increases the accuracy and ...
Page 325
Release factor Free polypeptide 5 ' 3 ' 3 ' 1M AM 3 ' 5 ' 5 ' Stop codon ( UAG , UAA , or UGA ) 1 When a ribosome reaches a stop codon on a mRNA , the A site of the ribosome accepts a protein called a release factor instead of TRNA .
Release factor Free polypeptide 5 ' 3 ' 3 ' 1M AM 3 ' 5 ' 5 ' Stop codon ( UAG , UAA , or UGA ) 1 When a ribosome reaches a stop codon on a mRNA , the A site of the ribosome accepts a protein called a release factor instead of TRNA .
Page 326
This receptor growing , meanwhile cuts off the polypeptide leaves is part of a protein complex translocating ... a Other kinds of signal peptides are used to target polypeptides to mitochondria , chloroplasts , the interior of the ...
This receptor growing , meanwhile cuts off the polypeptide leaves is part of a protein complex translocating ... a Other kinds of signal peptides are used to target polypeptides to mitochondria , chloroplasts , the interior of the ...
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Contents
Brief Contents 1 Exploring Life | 2 |
Exploring Life | 3 |
Featured Figures | 4 |
Copyright | |
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active allele amino acids animals atoms bacteria base binding biology blood body bonds called carbon carry cause cell cellular Chapter chemical chromosome color common complex compounds concentration Concept consists containing cycle cytoplasm determine disease diversity effect electron transport chain electrons elements energy environment enzyme eukaryotic evolution example experiments expression factors Figure four function genes genetic genome glucose human hydrogen important individuals inherited ions light living mechanism membrane molecular molecules mRNA mutations natural normal nucleotides nucleus occur offspring organisms origin oxygen pair parent particular pathway plants polypeptide population present produce prokaryotes protein reaction receptor regulation released replication researchers selection sequence shape shell shown signal similar single snakes solution species strand structure sugar suggested synthesis tion transcription transport tree unit University variation