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 88
... . There are two families of nitrogenous bases : pyrimidines and purines . A pyrimidine has a six - membered ring of carbon and nitrogen atoms . ( The nitrogen atoms tend to take up H from solution , 88 phosphate group, the resulting ...
... . There are two families of nitrogenous bases : pyrimidines and purines . A pyrimidine has a six - membered ring of carbon and nitrogen atoms . ( The nitrogen atoms tend to take up H from solution , 88 phosphate group, the resulting ...
Page 89
... ring fused to a five- membered ring . The purines are adenine ( A ) and guanine ( G ) . The ( A ) and specific pyrimidines and purines differ in the functional groups attached to the rings . Adenine , guanine , and cytosine are found in ...
... ring fused to a five- membered ring . The purines are adenine ( A ) and guanine ( G ) . The ( A ) and specific pyrimidines and purines differ in the functional groups attached to the rings . Adenine , guanine , and cytosine are found in ...
Page 90
... ring ; hence its name . Because the atoms in both the nitrogenous base and the sugar are numbered , the sugar atoms have a prime ( ' ) after the number to distinguish them . Thus , the second carbon in the sugar ring is the 2 ′ ( “ 2 ...
... ring ; hence its name . Because the atoms in both the nitrogenous base and the sugar are numbered , the sugar atoms have a prime ( ' ) after the number to distinguish them . Thus , the second carbon in the sugar ring is the 2 ′ ( “ 2 ...
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5.5 Nucleic acids Adenine amino acid sequence antiparallel polynucleotide strands atoms base sequence Biology Labs On-Line blood Carbohydrates cause sickle-cell disease cell's chaperonin chemical components Concept 5.5 Nucleic covalent bonds cytoplasm cytosine dehydration reactions denatured protein deoxyribose sugars Determines Protein Conformation DNA and Proteins DNA double helix DNA molecule DNA strand double-stranded Emergent Properties endorphins enzyme evolutionary fats fatty acids Figure genetic information glycogen glycosidic linkages guanine guanine G hemoglobin hydrogen bonds hydrophobic level of structure Levels of Protein macromolecules macromolecules are polymers messenger RNA Monosaccharides mRNA nitrogenous bases nucleic acids Nucleic acids store nucleotide monomer pairs pentose phosphate group Phospholipids pleated sheet polymers polypeptide chain Polysaccharides primary structure protein function Protein Structure Proteins as Tape purines pyrimidine ribose ribosomes sequence of amino sequence of bases sickle-cell disease specific structural levels structure of DNA sugar-phosphate backbone synthesis Tape Measures tertiary structure three-dimensional shape three-dimensional structure thymine types of nucleic unique