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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
covalent bonds
hydrogen bonds
carbon atoms

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Water, pH and Macromolecules
H2O and CH4 are both examples of

molecules
ions
none of these
acids

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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
Michaelis-Menten equation
Hardy-Windberg law
Haldanes equation

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Water, pH and Macromolecules
The lone pair electrons on oxygen in a H20 molecule

carry a partial positive charge
carry a partial negative charge
are not important for the properties of water
form covalent bonds in ice

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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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Water, pH and Macromolecules
Which of the following organic groups are found in naturally occuring amino acids?

All of these
Indole
Imidazole
Guanidinium ion

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