Water, pH and Macromolecules Which of the following acid/base pairs act as natural buffers in living systems? Histidine+/histidine H2PO4-/HPO42- All of these H2CO3/HCO3- Histidine+/histidine H2PO4-/HPO42- All of these H2CO3/HCO3- ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Weak acids generally have pKa that cannot be used to buffer pKa values greater than 2 values less than 1 been seldom found in living systems that cannot be used to buffer pKa values greater than 2 values less than 1 been seldom found in living systems ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Which of the following alcohols would be most soluble in water? ethanol butanol octanol methanol ethanol butanol octanol methanol ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Hydrogen bonds and hydrophilic interactions are types of weak chemical bonds that link together separate molecules strong chemical bonds that link together separate molecules weak chemical bonds that hold together the atoms within a molecule strong chemical bonds that hold together the atoms within a molecule weak chemical bonds that link together separate molecules strong chemical bonds that link together separate molecules weak chemical bonds that hold together the atoms within a molecule strong chemical bonds that hold together the atoms within a molecule ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Which of the following will easily dissolve in a polar solvent? sodium chloride methane gasoline (heptanes & octanes) argon sodium chloride methane gasoline (heptanes & octanes) argon ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Which of the following statements about water is correct? It is critical for many of the chemical processes found in living systems Polar substances that can form hydrogen bonds will dissolve in it All of these Nonpolar substances like oils are not soluble in it It is critical for many of the chemical processes found in living systems Polar substances that can form hydrogen bonds will dissolve in it All of these Nonpolar substances like oils are not soluble in it ANSWER DOWNLOAD EXAMIANS APP
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