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| 5027281627 | atoms | elements are composed of | 0 | |
| 5027288362 | electrically neutral | equal number of p and e | 1 | |
| 5027291328 | atomic number | number of p | 2 | |
| 5027293671 | atomic weight | p and n added together | 3 | |
| 5027330646 | reactive | atoms not all filled | 4 | |
| 5027345555 | ionic bond | forms when oppositely charged ions attract each other | 5 | |
| 5027356621 | covalent bonds | atoms share electrons | 6 | |
| 5027362914 | double covalent bonds | two pairs of electrons shared | 7 | |
| 5027379458 | molecule | 2 atoms combine | 8 | |
| 5027383037 | compound | 2 different atoms combine | 9 | |
| 5027542458 | chemical reactions | form as bonds form or break between atoms ions or molecules | 10 | |
| 5027548578 | reactants | changed by chemical reactions | 11 | |
| 5027550940 | products | formed in chemical reactions | 12 | |
| 5027567107 | (dehydration) synthesis | atoms and molecules joined to make something bigger | 13 | |
| 5027577071 | decomposition reactions (hydrolysis) | larger molecules can be broken down to make smaller | 14 | |
| 5027669591 | exchange reactions | parts of molecules trade places | 15 | |
| 5027673437 | reversable reactions | symbolized using arrows | 16 | |
| 5027719394 | electrolytes | substances that releases ions into water | 17 | |
| 5027995776 | buffers | minimize ph changes | 18 | |
| 5028007036 | inorganic | do not contain both h and c | 19 | |
| 5028013372 | water | inorganic. 2/3 of humans, metabolic solvent, transport in blood, carries waste | 20 | |
| 5028025312 | oxygen | inorganic. needed to release energy from nutrients and drive cell metabolism | 21 | |
| 5028032733 | carbon dioxide | inorganic. released as waste product during energy releasing metabolic reactions | 22 | |
| 5028065689 | inorganic salts | necessary ions (nacl, k , ca, mg, phosphate, carbonate, bicarbonate, sulfate) important in metabolic process | 23 | |
| 5028100704 | organic | contain both h and c | 24 | |
| 5028110716 | carbohydrates function and composition | provide energy for cellular activities and ratio is 1C:1O 2C:1H | 25 | |
| 5028130436 | carbohydrates are made from | monosaccharides (simple sugar) disaccharides (2 mono) and polysaccharides (complex) | 26 | |
| 5028142448 | Glycogen | humans synthesize this polysaccharide stored in muscles and liver | 27 | |
| 5038778110 | Lipids | insoluble in water. cho. fats phospholipids steroids | 28 | |
| 5038807993 | fat function | lipid. supply energy for cellular function | 29 | |
| 5038829536 | fat composition | glycerol and 3 fatty acids. Fats are large molecules made up of cho, as are the carbohydrates, but their H:O ratio is higher than 2;1. For this reason, fats contain more energy-storing carbon-hydrogen bonds than carbohydrates. | 30 | |
| 5038935230 | Saturated fat | contain H at every position on chain | 31 | |
| 5038937978 | Unsaturated fat | one or more double bonds | 32 | |
| 5038990784 | Phospholipid composition and function | lipid. contain glycerol, 2 fatty acids, and phosphate group. important to cell membrane |  | 33 |
| 5039015195 | steroids composition and function | lipid. complex ring structures. include cholesterol. synthesize sex hormones | 34 | |
| 5039020711 | proteins composition and function | CHONS. in antibodies and enzymes to catalyze metabolic reactions |  | 35 |
| 5039143738 | amino acids composition and function | building blocks of proteins. contain carboxyl amino and r group. 2Oa,a2?? |  | 36 |
| 5039225330 | proteins shape | complex shape held by H bonds. Shape determines function. can be denatured by pH, temp. radiation, chemicals. you cant un-cook an egg | 37 | |
| 5039240654 | primary amino acid | protein. chain of amino acids |  | 38 |
| 5039246435 | secondary amino acid | protein. beta and alpha |  | 39 |
| 5039249039 | tertiary amino acid | portion of primary, alpha beta |  | 40 |
| 5039250930 | quaternary amino acid | 2 polypeptide chains put into a specific shape |  | 41 |
| 5039370538 | nucleic acid | organic. CHONP bound to nucleotides. form genes and take part in protein synthesis. |  | 42 |
| 5039423320 | dna | deoxyribose nucleic acid. stores molecular code in genes | 43 | |
| 5039435581 | rna | ribonucleic acid. functions in protein synthesis | 44 | |
| 5039504900 | dissociation of h2o | sometimes a h atom is shared between 2h2o molecules. in this case an h atom leaves electron behind. h ion is transferred instead | 45 | |
| 5039582799 | steps of dissociation of water | 1. h2o that lost proton during dissociation of water is now hydroxide ion 2. protein binds to another water making hydronium ion (H3o) | 46 | |
| 5039700290 | dynamic equilibrium | reversible reaction end result. concentration of reaction and product are the same | 47 | |
| 5039772582 | how a buffer works | accepting h+ ions when too little or donating h+ ions when too much | 48 |
