Water, pH and Macromolecules Who discovered and described the blood groups (ABO) classification? Karl Hooper Theodor Kocher Karl Landsteiner Otto Warburg Karl Hooper Theodor Kocher Karl Landsteiner Otto Warburg 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 Buffer solutions tend to maintain a relatively constant pH. will always have a pH of 7 are rarely found in living systems cause a decrease in pH when acids are added to them. tend to maintain a relatively constant pH. will always have a pH of 7 are rarely found in living systems cause a decrease in pH when acids are added to them. ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules H2O and CH4 are both examples of acids none of these ions molecules acids none of these ions molecules ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Which of the following statements about covalently bonded molecules is false? Noncovalent bonds may also be present, especially if the molecule is large Electrons are shared between the atoms that make up the molecule Such molecules often result from the interaction of ionized atoms The chemical bonds that hold the molecule together are relatively strong Noncovalent bonds may also be present, especially if the molecule is large Electrons are shared between the atoms that make up the molecule Such molecules often result from the interaction of ionized atoms The chemical bonds that hold the molecule together are relatively strong ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Which of the following acid/base pairs act as natural buffers in living systems? H2PO4-/HPO42- H2CO3/HCO3- Histidine+/histidine All of these H2PO4-/HPO42- H2CO3/HCO3- Histidine+/histidine All of these ANSWER DOWNLOAD EXAMIANS APP