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 statements about water is correct?

All of these
Polar substances that can form hydrogen bonds will dissolve in it
Nonpolar substances like oils are not soluble in it
It is critical for many of the chemical processes found in living systems

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Water, pH and Macromolecules
Hydrogen bonds and hydrophilic interactions are types of

strong chemical bonds that link together separate molecules
strong chemical bonds that hold together the atoms within a molecule
weak chemical bonds that hold together the atoms within a molecule
weak chemical bonds that link together separate molecules

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