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| 8474227690 | atom | smallest basic unit of matter |  | 0 |
| 8474227691 | glucose | A simple sugar that is an important source of energy. | 1 | |
| 8474227692 | galactose | A monosaccharide derived from lactose. Helps with central nervous system development | 2 | |
| 8474227693 | fructose | fruit sugar | 3 | |
| 8474227694 | lactose | milk sugar | 4 | |
| 8474227695 | lactase | the enzyme that acts upon lactose | 5 | |
| 8474227696 | sucrose | table sugar | 6 | |
| 8474227697 | abiotic | Non-living | 7 | |
| 8474227698 | element | substance made of only one type of atom that cannot be broken down by chemical means | 8 | |
| 8474227699 | biotic | Living | 9 | |
| 8474227700 | matter | Anything that has mass and takes up space | 10 | |
| 8474227702 | compound | substance made of atoms of different elements that are bonded together by a particular ratio |  | 11 |
| 8474227706 | lipids | nonpolar molecule composed of carbon, hydrogen, and oxygen; includes fats and oils |  | 12 |
| 8474227707 | phosopholipid | molecule that forms a double layered cell membrane; consists of glycerol, a phosphate group, and two fatty acids. |  | 13 |
| 8474227708 | fatty acids | hydro carbon chain often bonded to glycerol in a lipid |  | 14 |
| 8474227709 | steroid | A type of lipid characterized by a carbon skeleton consisting of four rings with various functional groups attached. | 15 | |
| 8474227710 | hormones | chemical signal that is produced in one part of an organism and affects cell activity in another part |  | 16 |
| 8474227711 | monomer | molecular subunit of a polymer |  | 17 |
| 8474227712 | polymer | large carbon based molecule formed by monomers | | 18 |
| 8474227713 | carbohydrates | molecule composed of carbon, hydrogen, and oxygen; includes sugars and starches |  | 19 |
| 8474227714 | starch | A storage polysaccharide in plants consisting entirely of glucose. | 20 | |
| 8474227715 | glycogen | An extensively branched glucose storage polysaccharide found in the liver and muscle of animals; the animal equivalent of starch. | 21 | |
| 8474227716 | polysaccharide | Carbohydrates that are made up of more than two monosaccharides | 22 | |
| 8474227717 | monosaccharide | A single sugar molecule such as glucose or fructose, the simplest type of sugar. | 23 | |
| 8474227718 | disaccharide | A double sugar, consisting of two monosaccharides joined by dehydration synthesis. | 24 | |
| 8474227719 | protein | polymer composed of amino acids linked by peptide bonds; folds into a particular structure depending on bonds between amino acids |  | 25 |
| 8474227720 | amino acid | molecule that makes up proteins; composed of carbon, hydrogen, oxygen, nitrogen, and sometimes sulfer |  | 26 |
| 8474227721 | enzyme | protein that catalyzes chemical reactions for organisms |  | 27 |
| 8474227725 | nucleic acid | polymer of nucleotides; the genetic material of organisms |  | 28 |
| 8474227726 | nucleotides | monomer that forms DNA and has a phosphate group, a sugar, and a nitrogen containing base |  | 29 |
| 8474227727 | DNA | molecule that stores genetic information in all organisms |  | 30 |
| 8474227728 | RNA | nucleic acid molecule that allows for the transmission of genetic information and protein synthesis. |  | 31 |
| 8474227730 | hydrogen bond | attraction between a slightly positive hydrogen atom and a slightly negative atom. |  | 32 |
| 8474227734 | acid | compound that donates a proton when dissolved in a solution | 33 | |
| 8474227737 | electrons | Negatively charged particles | 34 | |
| 8474227738 | atomic number | The number of protons in the nucleus of an atom | 35 | |
| 8474227739 | biogeochemical cycle | process in which elements, chemical compounds, and other forms of matter are passed from one organism to another and from one part of the biosphere to another | 36 | |
| 8474227741 | chemical bond | an interaction that holds atoms or ions together | 37 | |
| 8474227750 | macromolecule | A very large organic molecule composed of many smaller molecules | 38 | |
| 8474227751 | metabolism | All of the chemical reactions that occur within an organism | 39 | |
| 8474227752 | neutron | A subatomic particle that has no charge and that is found in the nucleus of an atom | 40 | |
| 8474227753 | nucleus | A part of the cell containing DNA and RNA and responsible for growth and reproduction | 41 | |
| 8474227754 | organic | Carbon-containing | 42 | |
| 8474227756 | proton | A subatomic particle that has a positive charge and that is found in the nucleus of an atom | 43 | |
| 8474227758 | oxygen | A gas that is brought into the body by the respiratory system. |  | 44 |
| 8474227759 | hydrogen | This element is located in the metal area of the periodic table but it is still a non-metal. | 45 | |
| 8474227760 | nitrogen | The most abundant gas in the atmosphere |  | 46 |
| 8474227761 | carbon | A gas that is expelled from the body by the respiratory system. | 47 | |
| 8474227772 | What role do enzymes play in living things and what effects their functions? | Speed up the cells | 48 | |
| 8474227773 | polynucleotides | Nucleic acids are polymers | 49 | |
| 8474227774 | polypeptides | the long chains of amino acids | 50 | |
| 8474227775 | peptides | Chains of amino acids that can function as neurotransmitters or hormones. | 51 | |
| 8474227776 | glycerides | simple lipids, most common and consist of glycerol molecule with up to 3 fatty acids attached | 52 | |
| 8474227777 | inorganic | Not formed from living things or the remains of living things | 53 | |
| 8474227785 | Where are electrons found? | outside the atomic nucleus | 54 | |
| 8474227786 | Why do atoms bond? | interaction occur between their electrons | 55 | |
| 8474227787 | what are molecules? | collections of atoms bonded because of their atoms | 56 | |
| 8474227796 | What is all matter made up of? | atoms | 57 | |
| 8474227798 | multiple atoms form a... | molecule | 58 | |
| 8474227799 | What do all living things contain? | carbon | 59 | |
| 8474227800 | What does carbon have the ability to form? | larger and more complex molecules | 60 | |
| 8474227801 | What are polymers made up of? | many monomers | 61 | |
| 8474227802 | what are the four groups of polymers? | carbohydrates, proteins, nucleoic acids and lipids | 62 | |
| 8474227803 | What are monomers? | single units that make up polymers | 63 | |
| 8474227804 | What are carbohydrates? | monosaccharides --> polysaccharides | 64 | |
| 8474227805 | What are nucleoic acids? | nucleotide --> polyonucleotides | 65 | |
| 8474227806 | What are proteins? | peptides( amino acids) --> polypeptides | 66 | |
| 8474227807 | What are lipids? | glysoride(glycerol) + fatty acids | 67 | |
| 8474227808 | What are enzymes? | a type of proteins | 68 | |
| 8474227809 | How do enzymes speed up the chemical reaction? | Enzymes speed up favorables spontaneous reaction by reducing the activation energy required for the reaction | 69 |
