Water, pH and Macromolecules A compound that is capable of forming hydrogen bonds with water is probably held together by noncovalent bonds contains at least some polar covalent bonds should act as a good buffer for acids and bases does not dissolve well in water is probably held together by noncovalent bonds contains at least some polar covalent bonds should act as a good buffer for acids and bases does not dissolve well in water ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Which of the following acid/base pairs act as natural buffers in living systems? All of these H2CO3/HCO3- Histidine+/histidine H2PO4-/HPO42- All of these H2CO3/HCO3- Histidine+/histidine H2PO4-/HPO42- ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Which of the following alcohols would be most soluble in water? butanol ethanol methanol octanol butanol ethanol methanol octanol ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules The lone pair electrons on oxygen in a H20 molecule carry a partial positive charge form covalent bonds in ice carry a partial negative charge are not important for the properties of water carry a partial positive charge form covalent bonds in ice carry a partial negative charge are not important for the properties of water ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Weak acids generally have pKa 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 pKa values greater than 2 that cannot be used to buffer 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 Strong base Protein Phospholipid DNA Strong base Protein ANSWER DOWNLOAD EXAMIANS APP
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