Water, pH and Macromolecules The reason that fats contain more energy than simple sugars, is fats have many more carbon atoms hydrogen bonds covalent bonds hydrogen atoms carbon atoms hydrogen bonds covalent bonds hydrogen atoms ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules H2O and CH4 are both examples of acids molecules ions none of these acids molecules ions none of these 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? DNA Protein Phospholipid Strong base DNA Protein Phospholipid Strong base ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Molecules in which the atoms are held together by __________ bonds have the strongest chemical linkages. hydrogen covalent noncovalent ionic hydrogen covalent noncovalent ionic ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Which of the following character does not apply to water? The water molecule readily forms hydrophobic interactions All three atoms in the water molecule readily form hydrogen bonds The covalent bonds in water are highly polarized The water molecule is asymmetric The water molecule readily forms hydrophobic interactions All three atoms in the water molecule readily form hydrogen bonds The covalent bonds in water are highly polarized The water molecule is asymmetric ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Polyprotic acids such as H3PO4, can act as acid-base buffers at pH values around any of their pKa's only in combination with polyprotic bases at pH values around neutrality if their concentration is kept low at pH values around any of their pKa's only in combination with polyprotic bases at pH values around neutrality if their concentration is kept low ANSWER DOWNLOAD EXAMIANS APP