Water, pH and Macromolecules Molecules in which the atoms are held together by __________ bonds have the strongest chemical linkages. hydrogen ionic noncovalent covalent hydrogen ionic noncovalent covalent ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Which of the following acid/base pairs act as natural buffers in living systems? H2PO4-/HPO42- All of these H2CO3/HCO3- Histidine+/histidine H2PO4-/HPO42- All of these H2CO3/HCO3- Histidine+/histidine ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Which of the following organic groups are found in naturally occuring amino acids? Indole All of these Imidazole Guanidinium ion Indole All of these Imidazole Guanidinium ion ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Weak acids generally have pKa pKa values greater than 2 that cannot be used to buffer been seldom found in living systems values less than 1 pKa values greater than 2 that cannot be used to buffer been seldom found in living systems values less than 1 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? Phospholipid DNA Protein Strong base Phospholipid DNA Protein Strong base ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules The effectiveness or capacity of a buffer solution can be affected by both (a) and (b) concentration of the conjugate base to the weak acid molar concentration of the buffer components temperature of buffer components both (a) and (b) concentration of the conjugate base to the weak acid molar concentration of the buffer components temperature of buffer components ANSWER DOWNLOAD EXAMIANS APP
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