Water, pH and Macromolecules The reactions of molecules require an enzyme in all cases are the reactions of the functional groups All of these are independent of the functional groups require an enzyme in all cases are the reactions of the functional groups All of these are independent of the functional groups ANSWER DOWNLOAD EXAMIANS APP
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 Buffer solutions tend to maintain a relatively constant pH. will always have a pH of 7 cause a decrease in pH when acids are added to them. are rarely found in living systems tend to maintain a relatively constant pH. will always have a pH of 7 cause a decrease in pH when acids are added to them. are rarely found in living systems ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Which of the following character does not apply to water? The water molecule is asymmetric All three atoms in the water molecule readily form hydrogen bonds The water molecule readily forms hydrophobic interactions The covalent bonds in water are highly polarized The water molecule is asymmetric All three atoms in the water molecule readily form hydrogen bonds The water molecule readily forms hydrophobic interactions The covalent bonds in water are highly polarized ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules The strength of an acid depends on number of neutrons gain electronegativity number of protons released number of double bonds number of neutrons gain electronegativity number of protons released number of double bonds 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 form hydrogen bonds with the positively and negatively charged ions surround the ions because of their charge but do not form hydrogen bonds make nonpolar covalent bonds with the positively charged ions only share electrons with the ions to make polar covalent bonds form hydrogen bonds with the positively and negatively charged ions surround the ions because of their charge but do not form hydrogen bonds make nonpolar covalent bonds with the positively charged ions only ANSWER DOWNLOAD EXAMIANS APP
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