Water, pH and Macromolecules A solution with pH = 5 is __________ than a solution with pH = 7. 100 times more acidic 10 times more basic 2 times more basic 10 times more acidic 100 times more acidic 10 times more basic 2 times more basic 10 times more acidic ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Molecules in which the atoms are held together by __________ bonds have the strongest chemical linkages. ionic covalent noncovalent hydrogen ionic covalent noncovalent hydrogen ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Which of the following statements about covalently bonded molecules is false? Noncovalent bonds may also be present, especially if the molecule is large Such molecules often result from the interaction of ionized atoms Electrons are shared between the atoms that make up the molecule The chemical bonds that hold the molecule together are relatively strong Noncovalent bonds may also be present, especially if the molecule is large Such molecules often result from the interaction of ionized atoms Electrons are shared between the atoms that make up the molecule The chemical bonds that hold the molecule together are relatively strong ANSWER DOWNLOAD EXAMIANS APP
Water, pH and Macromolecules Which of the following character does not apply to water? The water molecule is asymmetric The covalent bonds in water are highly polarized The water molecule readily forms hydrophobic interactions All three atoms in the water molecule readily form hydrogen bonds The water molecule is asymmetric The covalent bonds in water are highly polarized The water molecule readily forms hydrophobic interactions All three atoms in the water molecule readily form hydrogen bonds 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. 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 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? 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 be repelled by water It will act as a buffer and stabilize the pH ANSWER DOWNLOAD EXAMIANS APP
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