Biology, Pages 82-91 |
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Page 68
و Four Levels of Protein Structure In the complex architecture of a protein , we can recognize three superimposed levels of structure , known as primary , secondary , and tertiary structure . A fourth level , quaternary structure ...
و Four Levels of Protein Structure In the complex architecture of a protein , we can recognize three superimposed levels of structure , known as primary , secondary , and tertiary structure . A fourth level , quaternary structure ...
Page 87
( a ) A polynucleotide has a regular sugarphosphate backbone with variable appendages , the four kinds of nitrogenous bases . RNA usually exists in the form of a single polynucleotide , like the one shown here .
( a ) A polynucleotide has a regular sugarphosphate backbone with variable appendages , the four kinds of nitrogenous bases . RNA usually exists in the form of a single polynucleotide , like the one shown here .
Page 111
a basic structure of four fused rings of carbon atoms . Activity Lipids Concept 5.4 Proteins have many structures , resulting in a wide range of functions • Polypeptides A polypeptide is a polymer of amino acids connected in a specific ...
a basic structure of four fused rings of carbon atoms . Activity Lipids Concept 5.4 Proteins have many structures , resulting in a wide range of functions • Polypeptides A polypeptide is a polymer of amino acids connected in a specific ...
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ability Activity Adenine amino acid sequence answers antiparallel arrangement atoms attached bind Biology blood break build built called Carbohydrates carbon cause cell chaperonin chemical complementary complex components compounds Concept conformation connected consists cytoplasm denatured deoxyribose sugars determines differ directions DNA and Proteins DNA double helix DNA molecule double helix Emergent endorphins environment enzyme fats fatty acids Figure flow folding four function genes glucose glycosidic linkages guanine hemoglobin humans hydrogen bonds inheritance interactions known linked macromolecules molecular monomers mRNA nitrogenous bases normal nucleic acids nucleotides organic oxygen pairs particular pentose phosphate group polymers polynucleotide polypeptide chain primary structure production properties Protein Structure purines pyrimidine reactions result ribosomes ring secondary separated sequence of bases serve shape share sickle-cell disease simple specific starch Steroids strand sugar sugar-phosphate backbone synthesis temperature tertiary structure three-dimensional thymine types unique