Water, pH and Macromolecules The elements oxygen, nitrogen, and carbon All of these contain protons and neutrons in their atomic nuclei can all form covalent bonds with other elements are common elements in the molecules that make up living organisms All of these contain protons and neutrons in their atomic nuclei can all form covalent bonds with other elements are common elements in the molecules that make up living organisms ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Which of the following organic groups are found in naturally occuring amino acids? All of these Indole Imidazole Guanidinium ion All of these Indole Imidazole Guanidinium ion ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules A solution with pH = 5 is __________ than a solution with pH = 7. 2 times more basic 100 times more acidic 10 times more basic 10 times more acidic 2 times more basic 100 times more acidic 10 times more basic 10 times more acidic ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Most of the important functional groups in biological molecules contain oxygen and a phosphate oxygen and/or nitrogen and are polar oxygen and/or nitrogen and are acidic nitrogen and a phosphate oxygen and a phosphate oxygen and/or nitrogen and are polar oxygen and/or nitrogen and are acidic nitrogen and a phosphate ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules A Bronsted acid becomes __________ upon losing a proton. highly reactive its conjugate acid a hydronium ion its conjugate base highly reactive its conjugate acid a hydronium ion its conjugate base 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 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 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS