Biology, Pages 82-91 |
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Page 67
Chapter 2 , you learned that natural signal molecules called endorphins bind to specific receptor proteins on the surface of brain cells in humans , producing euphoria and relieving pain . Morphine , heroin , and other opiate drugs are ...
Chapter 2 , you learned that natural signal molecules called endorphins bind to specific receptor proteins on the surface of brain cells in humans , producing euphoria and relieving pain . Morphine , heroin , and other opiate drugs are ...
Page 100
For example , if we compare a polypeptide chain of human hemoglobin with the corresponding hemoglobin polypeptide in five other vertebrates , we find the following . In this chain of 146 amino acids , humans and gorillas differ in just ...
For example , if we compare a polypeptide chain of human hemoglobin with the corresponding hemoglobin polypeptide in five other vertebrates , we find the following . In this chain of 146 amino acids , humans and gorillas differ in just ...
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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