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Biomolecules and the Chemistry of Life

Biomolecules and the Chemistry of Life


1. An atom is the smallest unit of a(n) ___________ and a molecule is the smallest unit of a(n) _____________.→element; compound
2. Ions form when→electrons are gained or lost from an atom.
3. Hydrogen bonds differ from ionic bonds in that→ionic bonds lead to polar molecules, and hydrogen bonds do not.
4. A food with a pH of 3 is ________ times more __________ than a food with a pH of 8.󑴺 acidic
5. Hydrophobic substances do not dissolve in water because→they are nonpolar so water isn’t attracted to them and, therefore, doesn’t pull them apart.
6. Dehydration synthesis joins monomers into polymers for→carbohydrates.
7. Which of the following are sources of diversity in carbohydrates?→Options 1, 2, and 3
8. The difference between saturated fatty acids and unsaturated fatty acids is that→saturated fatty acids are used for energy storage, and unsaturated fatty acids are hormones.
9. Which of the following statements about amino acids is NOT true?→The properties of amino acids affect the structure and function of proteins.
10. DNA is called a double helix because→all the bonds between nucleotides are double bonds.
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