Water, pH and Macromolecules The main difference between an acid and a base is that bases are polar molecules and acids are not acids donate hydrogen ions in water while bases accept hydrogen ions bases donate hydrogen ions in water while acids accept hydrogen ions acids are polar molecules and bases are not bases are polar molecules and acids are not acids donate hydrogen ions in water while bases accept hydrogen ions bases donate hydrogen ions in water while acids accept hydrogen ions acids are polar molecules and bases are not ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules The elements oxygen, nitrogen, and carbon 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 contain protons and neutrons in their atomic nuclei ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Which of the following organic groups are found in naturally occuring amino acids? Guanidinium ion Imidazole Indole All of these Guanidinium ion Imidazole Indole All of these ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules The reason that fats contain more energy than simple sugars, is fats have many more covalent bonds carbon atoms hydrogen bonds hydrogen atoms covalent bonds carbon atoms hydrogen bonds hydrogen atoms 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 What is the concentration, in moles/liter, of the hydrogen ion, if pH of a solution is 7? 1 x 10-7 7 5 x 10-7 7 x 10-7 1 x 10-7 7 5 x 10-7 7 x 10-7 ANSWER DOWNLOAD EXAMIANS APP