Water, pH and Macromolecules The dissociation constant of H2O at 25° C is 1014 M 107 M 10-7 M 10-14 M 1014 M 107 M 10-7 M 10-14 M ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Molecules in which the atoms are held together by __________ bonds have the strongest chemical linkages. hydrogen covalent ionic noncovalent hydrogen covalent ionic noncovalent ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Which of the following acid/base pairs act as natural buffers in living systems? All of these Histidine+/histidine H2CO3/HCO3- H2PO4-/HPO42- All of these Histidine+/histidine H2CO3/HCO3- H2PO4-/HPO42- 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 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 It will be attracted to water It will form a membrane in water be repelled by water ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules The strength of an acid depends on number of neutrons gain number of protons released electronegativity number of double bonds number of neutrons gain number of protons released electronegativity number of double bonds ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Buffer solutions tend to maintain a relatively constant pH. cause a decrease in pH when acids are added to them. are rarely found in living systems will always have a pH of 7 tend to maintain a relatively constant pH. cause a decrease in pH when acids are added to them. are rarely found in living systems will always have a pH of 7 ANSWER DOWNLOAD EXAMIANS APP