Water, pH and Macromolecules Which of the following acid/base pairs act as natural buffers in living systems? Histidine+/histidine H2PO4-/HPO42- H2CO3/HCO3- All of these Histidine+/histidine H2PO4-/HPO42- H2CO3/HCO3- All of these 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 hold together the atoms within a molecule weak chemical bonds that hold together the atoms within a molecule strong chemical bonds that link together separate molecules weak chemical bonds that link together separate molecules strong chemical bonds that hold together the atoms within a molecule weak chemical bonds that hold together the atoms within a molecule strong chemical bonds that link together separate molecules ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Buffer solutions tend to maintain a relatively constant pH. cause a decrease in pH when acids are added to them. are rarely found in living systems will always have a pH of 7 tend to maintain a relatively constant pH. cause a decrease in pH when acids are added to them. are rarely found in living systems will always have a pH of 7 ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Most of the important functional groups in biological molecules contain oxygen and a phosphate oxygen and/or nitrogen and are acidic oxygen and/or nitrogen and are polar nitrogen and a phosphate oxygen and a phosphate oxygen and/or nitrogen and are acidic oxygen and/or nitrogen and are polar nitrogen and a phosphate ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Which of the following will easily dissolve in a polar solvent? methane argon gasoline (heptanes & octanes) sodium chloride methane argon gasoline (heptanes & octanes) sodium chloride ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules The reactions of molecules All of these are the reactions of the functional groups are independent of the functional groups require an enzyme in all cases All of these are the reactions of the functional groups are independent of the functional groups require an enzyme in all cases ANSWER DOWNLOAD EXAMIANS APP
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