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 Guanidinium ion Imidazole All of these Indole Guanidinium ion Imidazole 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 Which of the following statements about covalently bonded molecules is false? The chemical bonds that hold the molecule together are relatively strong Electrons are shared between the atoms that make up the molecule Such molecules often result from the interaction of ionized atoms Noncovalent bonds may also be present, especially if the molecule is large The chemical bonds that hold the molecule together are relatively strong Electrons are shared between the atoms that make up the molecule Such molecules often result from the interaction of ionized atoms Noncovalent bonds may also be present, especially if the molecule is large ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules The reason that fats contain more energy than simple sugars, is fats have many more hydrogen atoms carbon atoms hydrogen bonds covalent bonds hydrogen atoms carbon atoms hydrogen bonds covalent bonds ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Weak acids generally have pKa that cannot be used to buffer pKa values greater than 2 values less than 1 been seldom found in living systems that cannot be used to buffer pKa values greater than 2 values less than 1 been seldom found in living systems ANSWER DOWNLOAD EXAMIANS APP
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