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