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Water, pH and Macromolecules

Water, pH and Macromolecules
The dissociation constant of H2O at 25° C is

1014 M
10-7 M
107 M
10-14 M

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Water, pH and Macromolecules
If protein is made exclusively from nonpolar amino acids, then it will this protein interact with water?

It will act as a buffer and stabilize the pH
be repelled by water
It will be attracted to water
It will form a membrane in water

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Water, pH and Macromolecules
Who discovered and described the blood groups (ABO) classification?

Karl Landsteiner
Otto Warburg
Karl Hooper
Theodor Kocher

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Water, pH and Macromolecules
Which of the following alcohols would be most soluble in water?

ethanol
butanol
octanol
methanol

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Water, pH and Macromolecules
Which of the following indicates that the pK of an acid is numerically equal to the pH of the solution when the molar concentration of the acid and its conjugate base are equal?

Hardy-Windberg law
Henderson-Hasselbalch equation
Haldanes equation
Michaelis-Menten equation

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Water, pH and Macromolecules
The reason that fats contain more energy than simple sugars, is fats have many more

hydrogen bonds
covalent bonds
carbon atoms
hydrogen atoms

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