Water, pH and Macromolecules Most of the important functional groups in biological molecules contain oxygen and/or nitrogen and are polar nitrogen and a phosphate oxygen and/or nitrogen and are acidic oxygen and a phosphate oxygen and/or nitrogen and are polar nitrogen and a phosphate oxygen and/or nitrogen and are acidic oxygen and a phosphate ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules The pH of a solution is determined by environmental effect relative concentration of acids and bases dielectric constant of the medium concentration of salt environmental effect relative concentration of acids and bases dielectric constant of the medium concentration of salt 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 H2CO3/HCO3- H2PO4-/HPO42- Histidine+/histidine All of these H2CO3/HCO3- H2PO4-/HPO42- Histidine+/histidine ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Who discovered and described the blood groups (ABO) classification? Karl Hooper Karl Landsteiner Otto Warburg Theodor Kocher Karl Hooper Karl Landsteiner Otto Warburg Theodor Kocher ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules The elements oxygen, nitrogen, and carbon contain protons and neutrons in their atomic nuclei are common elements in the molecules that make up living organisms All of these can all form covalent bonds with other elements contain protons and neutrons in their atomic nuclei are common elements in the molecules that make up living organisms 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 hydrogen atoms hydrogen bonds carbon atoms covalent bonds hydrogen atoms hydrogen bonds carbon atoms covalent bonds ANSWER DOWNLOAD EXAMIANS APP