Water, pH and Macromolecules Which of the following acid/base pairs act as natural buffers in living systems? Histidine+/histidine All of these H2PO4-/HPO42- H2CO3/HCO3- Histidine+/histidine All of these H2PO4-/HPO42- H2CO3/HCO3- ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules A biological polymer contains alanine, tyrosine, and lysine. Which of the following will be true about this molecule? Protein Phospholipid DNA Strong base Protein Phospholipid DNA Strong base ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Who discovered and described the blood groups (ABO) classification? Otto Warburg Karl Hooper Karl Landsteiner Theodor Kocher Otto Warburg Karl Hooper Karl Landsteiner Theodor Kocher ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Salt dissolves well in water as water molecules form hydrogen bonds with the positively and negatively charged ions make nonpolar covalent bonds with the positively charged ions only surround the ions because of their charge but do not form hydrogen bonds share electrons with the ions to make polar covalent bonds form hydrogen bonds with the positively and negatively charged ions make nonpolar covalent bonds with the positively charged ions only surround the ions because of their charge but do not form hydrogen bonds share electrons with the ions to make polar covalent bonds ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Hydrogen bonds and hydrophilic interactions are types of strong chemical bonds that link together separate molecules strong chemical bonds that hold together the atoms within a molecule weak chemical bonds that hold together the atoms within a molecule weak chemical bonds that link together separate molecules strong chemical bonds that link together separate molecules strong chemical bonds that hold together the atoms within a molecule weak chemical bonds that hold together the atoms within a molecule weak chemical bonds that link together separate molecules ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Most of the important functional groups in biological molecules contain nitrogen and a phosphate oxygen and/or nitrogen and are acidic oxygen and/or nitrogen and are polar oxygen and a phosphate nitrogen and a phosphate oxygen and/or nitrogen and are acidic oxygen and/or nitrogen and are polar oxygen and a phosphate ANSWER DOWNLOAD EXAMIANS APP