Water, pH and Macromolecules Buffer solutions cause a decrease in pH when acids are added to them. will always have a pH of 7 tend to maintain a relatively constant pH. are rarely found in living systems cause a decrease in pH when acids are added to them. will always have a pH of 7 tend to maintain a relatively constant pH. are rarely found in living systems ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Polyprotic acids such as H3PO4, can act as acid-base buffers at pH values around any of their pKa's if their concentration is kept low only in combination with polyprotic bases at pH values around neutrality at pH values around any of their pKa's if their concentration is kept low only in combination with polyprotic bases at pH values around neutrality ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules The elements oxygen, nitrogen, and carbon are common elements in the molecules that make up living organisms contain protons and neutrons in their atomic nuclei All of these can all form covalent bonds with other elements are common elements in the molecules that make up living organisms contain protons and neutrons in their atomic nuclei All of these can all form covalent bonds with other elements 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 atoms hydrogen bonds carbon atoms covalent bonds hydrogen atoms hydrogen bonds carbon atoms ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules If protein is made exclusively from nonpolar amino acids, then it will this protein interact with water? It will be attracted to water It will form a membrane in water be repelled by water It will act as a buffer and stabilize the pH It will be attracted to water It will form a membrane in water be repelled by water It will act as a buffer and stabilize the pH 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