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Biology Exam 1

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Across
4
Type of bond where valence electrons are lost or gained by atoms.
6
Building blocks of proteins
8
Backbone molecule of lipids
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Building blocks of proteins
12
Organic compounds used primarily for energy
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Subatomic particle that is positively charged
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Subatomic particle that is negatively charged
Down
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Type of bond where valence electrons are shared
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Long chains of carbons and hydrogens that attach to glycerol backbone of lipids
3
Oils and waxes
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Building block of carbohydrates
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Level of electrons that are involved in bonding
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Atom where the valence electrons are lost or gained during bonding
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Subatomic particle that has no charge
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Fundamental particle of matter