Water, pH and Macromolecules Which of the following acid/base pairs act as natural buffers in living systems? H2CO3/HCO3- H2PO4-/HPO42- Histidine+/histidine All of these H2CO3/HCO3- H2PO4-/HPO42- Histidine+/histidine All of these ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules The pH of a solution is determined by environmental effect concentration of salt dielectric constant of the medium relative concentration of acids and bases environmental effect concentration of salt dielectric constant of the medium relative concentration of acids and bases ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Hydrogen bonds and hydrophilic interactions are types of 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 strong chemical bonds that link together separate molecules ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Which of the following statements about water is correct? Nonpolar substances like oils are not soluble in it All of these Polar substances that can form hydrogen bonds will dissolve in it It is critical for many of the chemical processes found in living systems Nonpolar substances like oils are not soluble in it All of these Polar substances that can form hydrogen bonds will dissolve in it It is critical for many of the chemical processes found in living systems 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? Strong base Protein DNA Phospholipid Strong base Protein DNA Phospholipid ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Which of the following organic groups are found in naturally occuring amino acids? All of these Indole Guanidinium ion Imidazole All of these Indole Guanidinium ion Imidazole ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS