Water, pH and Macromolecules Buffer solutions will always have a pH of 7 are rarely found in living systems tend to maintain a relatively constant pH. cause a decrease in pH when acids are added to them. will always have a pH of 7 are rarely found in living systems tend to maintain a relatively constant pH. cause a decrease in pH when acids are added to them. ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules The main difference between an acid and a base is that bases are polar molecules and acids are not acids donate hydrogen ions in water while bases accept hydrogen ions bases donate hydrogen ions in water while acids accept hydrogen ions acids are polar molecules and bases are not bases are polar molecules and acids are not acids donate hydrogen ions in water while bases accept hydrogen ions bases donate hydrogen ions in water while acids accept hydrogen ions acids are polar molecules and bases are not ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Which of the following organic groups are found in naturally occuring amino acids? Guanidinium ion All of these Imidazole Indole Guanidinium ion All of these Imidazole Indole 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 only in combination with polyprotic bases if their concentration is kept low at pH values around neutrality at pH values around any of their pKa's only in combination with polyprotic bases if their concentration is kept low at pH values around neutrality ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Molecules in which the atoms are held together by __________ bonds have the strongest chemical linkages. noncovalent hydrogen ionic covalent noncovalent hydrogen ionic covalent 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 act as a buffer and stabilize the pH It will form a membrane in water be repelled by water It will be attracted to water It will act as a buffer and stabilize the pH It will form a membrane in water be repelled by water ANSWER DOWNLOAD EXAMIANS APP