Water, pH and Macromolecules Molecules in which the atoms are held together by __________ bonds have the strongest chemical linkages. covalent ionic hydrogen noncovalent covalent ionic hydrogen noncovalent ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules The main difference between an acid and a base is that 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 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 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 character does not apply to water? All three atoms in the water molecule readily form hydrogen bonds The water molecule readily forms hydrophobic interactions The water molecule is asymmetric The covalent bonds in water are highly polarized All three atoms in the water molecule readily form hydrogen bonds The water molecule readily forms hydrophobic interactions The water molecule is asymmetric The covalent bonds in water are highly polarized ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules The lone pair electrons on oxygen in a H20 molecule are not important for the properties of water form covalent bonds in ice carry a partial negative charge carry a partial positive charge are not important for the properties of water form covalent bonds in ice carry a partial negative charge carry a partial positive charge ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Buffer solutions tend to maintain a relatively constant pH. cause a decrease in pH when acids are added to them. are rarely found in living systems will always have a pH of 7 tend to maintain a relatively constant pH. cause a decrease in pH when acids are added to them. are rarely found in living systems will always have a pH of 7 ANSWER DOWNLOAD EXAMIANS APP
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