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Biology Exam 1

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