Water, pH and Macromolecules The elements oxygen, nitrogen, and carbon are common elements in the molecules that make up living organisms can all form covalent bonds with other elements All of these contain protons and neutrons in their atomic nuclei are common elements in the molecules that make up living organisms can all form covalent bonds with other elements All of these contain protons and neutrons in their atomic nuclei ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules A compound that is capable of forming hydrogen bonds with water contains at least some polar covalent bonds is probably held together by noncovalent bonds does not dissolve well in water should act as a good buffer for acids and bases contains at least some polar covalent bonds is probably held together by noncovalent bonds does not dissolve well in water should act as a good buffer for acids and bases 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 The water molecule is asymmetric All three atoms in the water molecule readily form hydrogen bonds The covalent bonds in water are highly polarized The water molecule readily forms hydrophobic interactions The water molecule is asymmetric All three atoms in the water molecule readily form hydrogen bonds The covalent bonds in water are highly polarized ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules If protein is made exclusively from nonpolar amino acids, then it will this protein interact with water? It will form a membrane in water It will act as a buffer and stabilize the pH be repelled by water It will be attracted to water It will form a membrane in water It will act as a buffer and stabilize the pH be repelled by water It will be attracted to water ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules A solution with pH = 5 is __________ than a solution with pH = 7. 10 times more acidic 10 times more basic 2 times more basic 100 times more acidic 10 times more acidic 10 times more basic 2 times more basic 100 times more acidic 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 at pH values around neutrality only in combination with polyprotic bases if their concentration is kept low at pH values around any of their pKa's at pH values around neutrality only in combination with polyprotic bases if their concentration is kept low ANSWER DOWNLOAD EXAMIANS APP
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