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Water, pH and Macromolecules

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

hydrogen atoms
carbon atoms
covalent bonds
hydrogen bonds

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Water, pH and Macromolecules
A solution with pH = 5 is __________ than a solution with pH = 7.

2 times more basic
100 times more acidic
10 times more basic
10 times more acidic

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Water, pH and Macromolecules
A Bronsted acid becomes __________ upon losing a proton.

highly reactive
a hydronium ion
its conjugate base
its conjugate acid

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Water, pH and Macromolecules
The reactions of molecules

are the reactions of the functional groups
are independent of the functional groups
All of these
require an enzyme in all cases

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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?

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

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

octanol
methanol
ethanol
butanol

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