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 316
In the discussion of transcription that follows , we start with the features of mRNA synthesis common to both prokaryotes and eukaryotes and then describe some key differences . A single gene can be transcribed simultaneously by several ...
In the discussion of transcription that follows , we start with the features of mRNA synthesis common to both prokaryotes and eukaryotes and then describe some key differences . A single gene can be transcribed simultaneously by several ...
Page 365
A polyadenylation ( poly - A ) signal in the last exon of the gene is transcribed into an RNA sequence that determines where the transcript is cleaved and the poly - A tail added . Transcription may continue for hundreds of nucleotides ...
A polyadenylation ( poly - A ) signal in the last exon of the gene is transcribed into an RNA sequence that determines where the transcript is cleaved and the poly - A tail added . Transcription may continue for hundreds of nucleotides ...
Page 366
A Figure 19.6 A model for the action of enhancers and transcription activators . Bending of the DNA by a protein enables enhancers to influence a promoter hundreds or even thousands of nucleotides away . Specific transcription factors ...
A Figure 19.6 A model for the action of enhancers and transcription activators . Bending of the DNA by a protein enables enhancers to influence a promoter hundreds or even thousands of nucleotides away . Specific transcription factors ...
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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