Biology, Pages 82-91Neil Campbell and Jane Reece's BIOLOGY remains unsurpassed as the most successful majors biology textbook in the world. This text has invited more than 4 million students into the study of this 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 54
... base . Some bases reduce the H + con- centration directly by accepting hydrogen ions . Ammonia ( NH3 ) , for instance , acts as a base when the unshared electron pair in nitrogen's valence shell attracts a hydrogen ion from the solution ...
... base . Some bases reduce the H + con- centration directly by accepting hydrogen ions . Ammonia ( NH3 ) , for instance , acts as a base when the unshared electron pair in nitrogen's valence shell attracts a hydrogen ion from the solution ...
Page 298
... bases . Now imagine the ladder twisted into a spiral . Franklin's X - ray data indicated that the helix makes one full turn every 3.4 nm along its length . With the bases stacked just 0.34 nm apart , there are ten layers of base pairs ...
... bases . Now imagine the ladder twisted into a spiral . Franklin's X - ray data indicated that the helix makes one full turn every 3.4 nm along its length . With the bases stacked just 0.34 nm apart , there are ten layers of base pairs ...
Page 313
... bases are assembled on the template according to base - pairing rules . The pairs are similar to those that form during DNA replication , except that U , the RNA substitute for T , pairs with A and the mRNA nucleotides contain ribose ...
... bases are assembled on the template according to base - pairing rules . The pairs are similar to those that form during DNA replication , except that U , the RNA substitute for T , pairs with A and the mRNA nucleotides contain ribose ...
Contents
Featured Figures | 4 |
The Culture of Science | 25 |
The Chemical Context of Life | 32 |
Copyright | |
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active algae allele amino acid animals atoms bacteria binding biology bonds called Calvin cycle cancer carbon cell division cell's cellular cellular respiration Chapter chemical chloroplasts chromatids chromosome clade cloning codon color complex Concept Check cytoplasm diploid disease diversity electron embryo energy environment enzyme eukaryotic eukaryotic cells evolution evolutionary evolved example Figure flowers fossil function fungi gametes gametophytes genes genetic genome genotype glucose glycolysis haploid human hydrogen inherited ions meiosis metabolic microtubules mitochondria mitosis molecular mRNA multicellular mutations natural selection nucleotides nucleus occur offspring organelles organisms oxygen pathways phage phenotype phosphorylation photosynthesis plasma membrane plasmid polymerase polypeptide population produce prokaryotes protein protists reaction receptor recombination replication reproductive researchers respiration result ribosomes scientists seed sequence sexual signal species sperm spores sporophyte strand structure sugar suggested answers synthesis tion tissue traits transcription transport University vascular plants viral viruses zygote