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Molecules of Life
Macromolecules of Life
Term | Definition |
---|---|
ActivationEnergy | Amount of energy needed to initiate a chemical reaction |
ActiveSite | Specific location on an enzyme where a substrate binds |
AminoAcid | Small compounds made of CHNOS |
Carbohydrate | Compound composed of only CHO |
Catalyst | Suubstance which lowers the activation energy of a chemical reaction |
ChemicalReaction | Process or rearranging atoms and molecules into different substances |
Enzyme | Special protein that speeds up chemical reactions in biological processes |
Lipid | Molecules made mostly of CH, store lots of energy |
Macromolecule | Large molecules that are formed by joining smaller molecules |
Molecule | Compound in which atoms are held together by chemical bonds |
NucleicAcid | Complex macromolecules that store and transmit genetic information; CHNOPS |
Nucleotide | Repeating subunits of nucleic acids |
Polymer | Molecules made from repeating smaller units |
Product | Substances present at the end of a chemical reaction |
Protein | Compound made from amino acids, involved in every function of a living organism |
Reactant | Substances present at the start of a chemical reaction |
Substrate | Reactant(s) that bind with an enzyme |
Monomer | Basic unit of a larger molecule that appears repeatedly |
Endothermic Reaction | A chemical reaction that absorbs energy |
Exothermic Reaction | A chemical reaction that releases energy |
Element | Substance made from a single type of atom |
Disaccharide | a molecule consisting of two sugars |
Monosaccharide | a molecule of sugar with C:H:O in a 1:2:1 ratio |
Polysaccharide | long chain of sugars, examples include: starch, glycogen and cellulose |
Photosynthesis | process where solar energy is used to convert carbon dioxide and water into glucose and oxygen |
Cellular Respiration | process where sugar is burned by oxygen to make ATP and releases carbon dioxide and water as byproducts |