Water, pH and Macromolecules Which of the following acid/base pairs act as natural buffers in living systems? H2CO3/HCO3- All of these H2PO4-/HPO42- Histidine+/histidine H2CO3/HCO3- All of these H2PO4-/HPO42- Histidine+/histidine ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules H2O and CH4 are both examples of none of these molecules acids ions none of these molecules acids ions ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules The effectiveness or capacity of a buffer solution can be affected by both (a) and (b) temperature of buffer components concentration of the conjugate base to the weak acid molar concentration of the buffer components both (a) and (b) temperature of buffer components concentration of the conjugate base to the weak acid molar concentration of the buffer components ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules The lone pair electrons on oxygen in a H20 molecule form covalent bonds in ice carry a partial negative charge are not important for the properties of water carry a partial positive charge form covalent bonds in ice carry a partial negative charge are not important for the properties of water carry a partial positive charge ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Molecules in which the atoms are held together by __________ bonds have the strongest chemical linkages. covalent noncovalent hydrogen ionic covalent noncovalent hydrogen ionic ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules The elements oxygen, nitrogen, and carbon can all form covalent bonds with other elements contain protons and neutrons in their atomic nuclei All of these are common elements in the molecules that make up living organisms can all form covalent bonds with other elements contain protons and neutrons in their atomic nuclei All of these are common elements in the molecules that make up living organisms ANSWER DOWNLOAD EXAMIANS APP
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