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Water, pH and Macromolecules

Water, pH and Macromolecules
Molecules in which the atoms are held together by __________ bonds have the strongest chemical linkages.

covalent
ionic
noncovalent
hydrogen

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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?

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

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

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

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Water, pH and Macromolecules
A biological polymer contains alanine, tyrosine, and lysine. Which of the following will be true about this molecule?

Phospholipid
DNA
Strong base
Protein

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

carbon atoms
hydrogen atoms
covalent bonds
hydrogen bonds

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

Karl Hooper
Karl Landsteiner
Otto Warburg
Theodor Kocher

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