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form when two atoms share one or more pairs of electrons. Also the strongest bond. |
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form when a hydrogen atom covalently bonded to an O or N atom in another molecule. |
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important for structure and as energy sources. Consist of C, H, and O with the formula (CH2O)n. |
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Are the primary components of cell membranes. Consist of C, H, and O. Are nonpolar and insoluble in water. |
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Are essential in cell structure and function. Enzymes are proteins that speed chemical reactions. Transporter proteins move chemicals across membranes. Flagella are made of proteins. Some bacterial toxins are proteins. |
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Primary; Secondary; Tertiary; Quaternary |
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