Water, pH and Macromolecules Which of the following acid/base pairs act as natural buffers in living systems? H2CO3/HCO3- H2PO4-/HPO42- All of these Histidine+/histidine H2CO3/HCO3- H2PO4-/HPO42- All of these Histidine+/histidine ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Which of the following organic groups are found in naturally occuring amino acids? Imidazole All of these Indole Guanidinium ion Imidazole All of these Indole Guanidinium ion ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules A compound that is capable of forming hydrogen bonds with water should act as a good buffer for acids and bases is probably held together by noncovalent bonds contains at least some polar covalent bonds does not dissolve well in water should act as a good buffer for acids and bases is probably held together by noncovalent bonds contains at least some polar covalent bonds does not dissolve well in water ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules A biological polymer contains alanine, tyrosine, and lysine. Which of the following will be true about this molecule? DNA Protein Strong base Phospholipid DNA Protein Strong base Phospholipid ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules A solution with pH = 5 is __________ than a solution with pH = 7. 100 times more acidic 2 times more basic 10 times more basic 10 times more acidic 100 times more acidic 2 times more basic 10 times more basic 10 times more acidic ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules The strength of an acid depends on number of double bonds number of protons released electronegativity number of neutrons gain number of double bonds number of protons released electronegativity number of neutrons gain ANSWER DOWNLOAD EXAMIANS APP
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