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james's free tampons
A&P chapter 2 vocab
| Term | Definition |
|---|---|
| element | basic building blocks of matter |
| atoms | smallest unit of an element |
| electron shell | circle around the nucleus that has electrons |
| atomic number | represents the number of protons in an element |
| mass number | sum of protons and neutrons |
| atomic mass | average of the AMU |
| isotopes | an atom that has the same number of protons but different neutrons |
| radioisotope | release types of enervy in rays and substance |
| molecule | two or more atoms bonded together |
| compound | when two different atoms bond |
| valence shell | outer shell of an atom |
| ions | particles that carry positive or negative charge |
| Ionic bond | attraction between separately charged Ions |
| covalent bond | atoms share electrons |
| polar | combination of atoms in which ele trons charge is unevenly distribuated |
| calorie | amount of heat energy required to raise temp f 1 gram of water |
| hydrophilic | disolving in water and forming hydrogen bonds |
| hydrophobic | molecule that doesnt interact with water |
| adhesion | ability for water to adhere to polar |
| acids | molecules raise hydrogen construction to lower PH |
| based | molecules lower hydrogen covcentation |
| buffers | substance or group of substances that resist Ph changes |
| organic molecules | contains carbon hydrogen |
| macromolecules | large biological molecules |
| dehydration reaction | chemical reaction accompaning ions of water |
| carbohydrates | organic compound monocradies and polycarides |
| monoscharides | sugars, carbohydres that cant decompose |
| glucose | used for energy in humans |
| disaccharide | sugar that contains two units of a monochraides |
| polysaccharides | polymar sarmore amino acid |
| cellulose | a tough, natural sugar polymer that forms the hard outer walls of platns |
| starch | enegry for plants |
| glycogen | used to store extra energy |
| lipids | broad group of organic fat like moleules that do not dissolve in water |
| triglycerides | fat or liid found in blood body uses for energy |
| fats | organic molecule containing glycerol and fatty acids |
| oils | substance liquid at room temp |
| trans fat | type of dietary fat that are made when hydrogen is added to liquid vegetable oils |
| phospholipids | lipid molecule form bilayer of the cells membrane |
| steroids | tipid molecule composed of carbon rings |
| amino acid | organic molecule having amino group and acid group |
| peptide bond | bond joins two amino acids |
| polypeptide | three or more amino acids linked by peptide bonds |
| denatwation | loss of normal shape by enzyme no longer fuses |
| nucleic acid | polymer of nuleotides |
| nucleotides | dark string spherical body in cell of nucleous makes up DNA |
| DNA | carries genetic info |
| RNA | takes action on genetic info |
| coenzymes | non protein organic molecules that aid the enzine |
| ATP | energy |
| adenine | one of four nitogen bases in nucleotide |
| thymine | on eof four nitrogen bases in nucleotide |
| complementary base pairing | bonding that forms DNA or RNA |
| ADP | adenosine diphosphate, organic molecule helps transfer and store energy in living cells |
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