Water, pH and Macromolecules The main difference between an acid and a base is that bases donate hydrogen ions in water while acids accept hydrogen ions acids donate hydrogen ions in water while bases accept hydrogen ions acids are polar molecules and bases are not bases are polar molecules and acids are not bases donate hydrogen ions in water while acids accept hydrogen ions acids donate hydrogen ions in water while bases accept hydrogen ions acids are polar molecules and bases are not bases are polar molecules and acids are not ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Which of the following statements about covalently bonded molecules is false? Such molecules often result from the interaction of ionized atoms Noncovalent bonds may also be present, especially if the molecule is large Electrons are shared between the atoms that make up the molecule The chemical bonds that hold the molecule together are relatively strong Such molecules often result from the interaction of ionized atoms Noncovalent bonds may also be present, especially if the molecule is large Electrons are shared between the atoms that make up the molecule The chemical bonds that hold the molecule together are relatively strong 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? Phospholipid Protein DNA Strong base Phospholipid Protein DNA Strong base ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules The pH of a solution is determined by 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 environmental effect concentration of salt ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Hydrogen bonds and hydrophilic interactions are types of strong chemical bonds that link together separate molecules weak 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 strong chemical bonds that link together separate molecules weak 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 ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules The reason that fats contain more energy than simple sugars, is fats have many more carbon atoms hydrogen atoms covalent bonds hydrogen bonds carbon atoms hydrogen atoms covalent bonds hydrogen bonds ANSWER DOWNLOAD EXAMIANS APP
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