Water, pH and Macromolecules Buffer solutions are rarely found in living systems cause a decrease in pH when acids are added to them. tend to maintain a relatively constant pH. will always have a pH of 7 are rarely found in living systems cause a decrease in pH when acids are added to them. tend to maintain a relatively constant pH. will always have a pH of 7 ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Molecules in which the atoms are held together by __________ bonds have the strongest chemical linkages. noncovalent hydrogen ionic covalent noncovalent hydrogen ionic covalent ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Most of the important functional groups in biological molecules contain 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 oxygen and a phosphate ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules The elements oxygen, nitrogen, and carbon 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 All of these contain protons and neutrons in their atomic nuclei can all form covalent bonds with other elements 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- H2CO3/HCO3- Histidine+/histidine All of these H2PO4-/HPO42- H2CO3/HCO3- Histidine+/histidine 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 covalent bonds in water are highly polarized All three atoms in the water molecule readily form hydrogen bonds The water molecule is asymmetric The water molecule readily forms hydrophobic interactions The covalent bonds in water are highly polarized All three atoms in the water molecule readily form hydrogen bonds The water molecule is asymmetric ANSWER DOWNLOAD EXAMIANS APP
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