Water, pH and Macromolecules The reason that fats contain more energy than simple sugars, is fats have many more hydrogen bonds carbon atoms covalent bonds hydrogen atoms hydrogen bonds carbon atoms covalent bonds hydrogen atoms ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Polyprotic acids such as H3PO4, can act as acid-base buffers at pH values around neutrality if their concentration is kept low only in combination with polyprotic bases at pH values around any of their pKa's at pH values around neutrality if their concentration is kept low only in combination with polyprotic bases at pH values around any of their pKa's 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 What is the concentration, in moles/liter, of the hydrogen ion, if pH of a solution is 7? 7 1 x 10-7 7 x 10-7 5 x 10-7 7 1 x 10-7 7 x 10-7 5 x 10-7 ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Which of the following acid/base pairs act as natural buffers in living systems? All of these H2PO4-/HPO42- Histidine+/histidine H2CO3/HCO3- All of these H2PO4-/HPO42- Histidine+/histidine H2CO3/HCO3- ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Most of the important functional groups in biological molecules contain oxygen and a phosphate nitrogen and a phosphate oxygen and/or nitrogen and are acidic oxygen and/or nitrogen and are polar oxygen and a phosphate nitrogen and a phosphate oxygen and/or nitrogen and are acidic oxygen and/or nitrogen and are polar ANSWER DOWNLOAD EXAMIANS APP
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