Water, pH and Macromolecules The dissociation constant of H2O at 25° C is 1014 M 10-14 M 107 M 10-7 M 1014 M 10-14 M 107 M 10-7 M ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules The main difference between an acid and a base is that acids donate hydrogen ions in water while bases accept hydrogen ions bases donate hydrogen ions in water while acids accept hydrogen ions acids are polar molecules and bases are not bases are polar molecules and acids are not acids donate hydrogen ions in water while bases accept hydrogen ions bases donate hydrogen ions in water while acids accept hydrogen ions acids are polar molecules and bases are not bases are polar molecules and acids are not 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 form a membrane in water It will act as a buffer and stabilize the pH It will be attracted to water be repelled by water It will form a membrane in water It will act as a buffer and stabilize the pH It will be attracted to water ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Buffer solutions 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 are rarely found in living systems ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules A biological polymer contains alanine, tyrosine, and lysine. Which of the following will be true about this molecule? Phospholipid Strong base DNA Protein Phospholipid Strong base DNA Protein 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
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