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Water, pH and Macromolecules

Water, pH and Macromolecules
The strength of an acid depends on

electronegativity
number of neutrons gain
number of double bonds
number of protons released

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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?

DNA
Protein
Phospholipid
Strong base

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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 bonds
covalent bonds
hydrogen atoms

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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?

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

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

butanol
octanol
ethanol
methanol

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

Theodor Kocher
Otto Warburg
Karl Hooper
Karl Landsteiner

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