Water, pH and Macromolecules Which of the following acid/base pairs act as natural buffers in living systems? H2PO4-/HPO42- Histidine+/histidine All of these H2CO3/HCO3- H2PO4-/HPO42- Histidine+/histidine All of these H2CO3/HCO3- ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules A Bronsted acid becomes __________ upon losing a proton. its conjugate acid its conjugate base highly reactive a hydronium ion its conjugate acid its conjugate base highly reactive a hydronium ion ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules The lone pair electrons on oxygen in a H20 molecule carry a partial positive charge form covalent bonds in ice are not important for the properties of water carry a partial negative charge carry a partial positive charge form covalent bonds in ice are not important for the properties of water carry a partial negative charge ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules H2O and CH4 are both examples of none of these acids ions molecules none of these acids ions molecules ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Buffer solutions are rarely found in living systems will always have a pH of 7 cause a decrease in pH when acids are added to them. tend to maintain a relatively constant pH. are rarely found in living systems will always have a pH of 7 cause a decrease in pH when acids are added to them. tend to maintain a relatively constant pH. ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Salt dissolves well in water as water molecules share electrons with the ions to make polar covalent bonds make nonpolar covalent bonds with the positively charged ions only surround the ions because of their charge but do not form hydrogen bonds form hydrogen bonds with the positively and negatively charged ions share electrons with the ions to make polar covalent bonds make nonpolar covalent bonds with the positively charged ions only surround the ions because of their charge but do not form hydrogen bonds form hydrogen bonds with the positively and negatively charged ions ANSWER DOWNLOAD EXAMIANS APP
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