Water, pH and Macromolecules A solution with pH = 5 is __________ than a solution with pH = 7. 100 times more acidic 2 times more basic 10 times more basic 10 times more acidic 100 times more acidic 2 times more basic 10 times more basic 10 times more acidic ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules The reactions of molecules are the reactions of the functional groups are independent of the functional groups All of these require an enzyme in all cases are the reactions of the functional groups are independent of the functional groups All of these require an enzyme in all cases ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Which of the following statements about water is correct? All of these It is critical for many of the chemical processes found in living systems Polar substances that can form hydrogen bonds will dissolve in it Nonpolar substances like oils are not soluble in it All of these It is critical for many of the chemical processes found in living systems Polar substances that can form hydrogen bonds will dissolve in it Nonpolar substances like oils are not soluble in it ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules The reason that fats contain more energy than simple sugars, is fats have many more covalent bonds hydrogen bonds hydrogen atoms carbon atoms covalent bonds hydrogen bonds hydrogen atoms carbon atoms 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 7 x 10-7 7 5 x 10-7 1 x 10-7 7 x 10-7 7 5 x 10-7 ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules The lone pair electrons on oxygen in a H20 molecule carry a partial negative charge form covalent bonds in ice carry a partial positive charge are not important for the properties of water carry a partial negative charge form covalent bonds in ice carry a partial positive charge are not important for the properties of water ANSWER DOWNLOAD EXAMIANS APP
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