Water, pH and Macromolecules Buffer solutions will always have a pH of 7 are rarely found in living systems cause a decrease in pH when acids are added to them. tend to maintain a relatively constant pH. will always have a pH of 7 are rarely found in living systems cause a decrease in pH when acids are added to them. tend to maintain a relatively constant pH. ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules The lone pair electrons on oxygen in a H20 molecule are not important for the properties of water carry a partial negative charge carry a partial positive charge form covalent bonds in ice are not important for the properties of water carry a partial negative charge carry a partial positive charge form covalent bonds in ice ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Weak acids generally have pKa 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 that cannot be used to buffer ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules What is the concentration, in moles/liter, of the hydrogen ion, if pH of a solution is 7? 1 x 10-7 5 x 10-7 7 x 10-7 7 1 x 10-7 5 x 10-7 7 x 10-7 7 ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules The reason that fats contain more energy than simple sugars, is fats have many more carbon atoms covalent bonds hydrogen bonds hydrogen atoms carbon atoms covalent bonds hydrogen bonds hydrogen atoms 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 strong chemical bonds that link together separate molecules weak chemical bonds that hold together the atoms within a molecule weak chemical bonds that link together separate molecules strong chemical bonds that hold together the atoms within a molecule strong chemical bonds that link together separate molecules weak chemical bonds that hold together the atoms within a molecule ANSWER DOWNLOAD EXAMIANS APP
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