Bio Vocabulary
Terms
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- van der waals force
- force of attraction between large molecules
- atom
- (physics and chemistry) the smallest component of an element having the chemical properties of the element
- lipid
- an oily organic compound insoluble in water but soluble in organic solvents
- valence electrons
- The electrons in the outermost shell (main energy level) of an atom; these are the electrons involved in forming bonds.
- DNA
- (biochemistry) a long linear polymer found in the nucleus of a cell and formed from nucleotides and shaped like a double helix
- RNA
- (biochemistry) a long linear polymer of nucleotides found in the nucleus but mainly in the cytoplasm of a cell where it is associated with microsomes
- carbohydrate
- an essential structural component of living cells and source of energy for animals
- monosaccharides
- single sugar molecules
- electrons
- Found in electron shells around nucleus. Have negligible mass and negative charge.
- protons
- The part of the atom's mass that has a positive charge, Tiny, positively charged particles found in the nucleus of an atom.
- neutrons
- These have no electrical charge, but add to the mass of the atom
- enzymes
- proteins that act as biological catalysts
- saturated fat
- a Fat with no double bonds (except in carboxyl group)
- catalyst
- something that causes an important event to happen
- polar molecule
- a molecule in which the charges are unevenly distributed