Water, pH and Macromolecules If protein is made exclusively from nonpolar amino acids, then it will this protein interact with water? It will form a membrane in water It will act as a buffer and stabilize the pH It will be attracted to water be repelled by water It will form a membrane in water It will act as a buffer and stabilize the pH It will be attracted to water be repelled by water ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Weak acids generally have pKa pKa values greater than 2 been seldom found in living systems that cannot be used to buffer values less than 1 pKa values greater than 2 been seldom found in living systems that cannot be used to buffer values less than 1 ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules H2O and CH4 are both examples of none of these molecules acids ions none of these molecules acids ions ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Polyprotic acids such as H3PO4, can act as acid-base buffers 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 at pH values around any of their pKa's only in combination with polyprotic bases if their concentration is kept low 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 form covalent bonds in ice carry a partial positive charge carry a partial negative charge are not important for the properties of water form covalent bonds in ice carry a partial positive charge carry a partial negative charge ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Which of the following statements about water is correct? Polar substances that can form hydrogen bonds will dissolve in it All of these It is critical for many of the chemical processes found in living systems Nonpolar substances like oils are not soluble in it Polar substances that can form hydrogen bonds will dissolve in it All of these It is critical for many of the chemical processes found in living systems Nonpolar substances like oils are not soluble in it ANSWER DOWNLOAD EXAMIANS APP