Water, pH and Macromolecules Which of the following acid/base pairs act as natural buffers in living systems? Histidine+/histidine All of these H2CO3/HCO3- H2PO4-/HPO42- Histidine+/histidine All of these H2CO3/HCO3- H2PO4-/HPO42- ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules The reason that fats contain more energy than simple sugars, is fats have many more carbon atoms covalent bonds hydrogen bonds hydrogen atoms carbon atoms covalent bonds hydrogen bonds hydrogen atoms ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules If protein is made exclusively from nonpolar amino acids, then it will this protein interact with water? be repelled by water It will act as a buffer and stabilize the pH It will form a membrane in water It will be attracted to water be repelled by water It will act as a buffer and stabilize the pH It will form a membrane in water It will be attracted to water ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules A solution with pH = 5 is __________ than a solution with pH = 7. 100 times more acidic 10 times more basic 10 times more acidic 2 times more basic 100 times more acidic 10 times more basic 10 times more acidic 2 times more basic ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules A Bronsted acid becomes __________ upon losing a proton. a hydronium ion its conjugate base highly reactive its conjugate acid a hydronium ion its conjugate base highly reactive its conjugate acid ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules The strength of an acid depends on number of protons released number of neutrons gain electronegativity number of double bonds number of protons released number of neutrons gain electronegativity number of double bonds ANSWER DOWNLOAD EXAMIANS APP
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