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| same atomic number but different atomic weight |
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| positive charge and negative charge ions |
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| chemical bond of atoms that share e- |
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| substances that release ions in water |
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| energy cells require; supply material to build; stored as reserve energy supplies |
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| compounds (fats, phospholipids, steroids) organic chemicals insoluble in water |
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monosaccharides (glucose/fructose)
Disaccharides (sucrose/lactose)
polysaccharides (glycogen/cellulose)
water (soluble)
build cell structure; provide energy to cells |
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(3 fatty acids [1 sat, 2 unsat] and glycerol)
used for energy; most common lipid; have C, H, O, but less O carbs |
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2 FA + phosphate + glycerol (hydrophilic/phobic)
major component of cell membranes |
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4 ring structure
various functions |
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| primary structure of protein |
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| secondary structure of protein |
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| polypeptide chain of a protein molecule is pleated or twisted to form a coil; helix and sheet |
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| tertiary structure of a protein |
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| held together by interactions; final 3D folding |
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| quarternary structure of a protein |
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| multiple proteins coming together; 2+ tert; poly chains connected to form a single protein molecule |
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building blocks (nucleotides) sugar, phosphates, bases
carry genes; encode amino acid sequence of proteins
DNA, RNA |
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