Zusammenfassung der Ressource
science
- Cell theory
- all cells come from cells that already existed, cells are units of life. All organisms are made of cells.
- Living
- Any organism that shows characteristics of being alive.
- Transport
- The movement of molecules across a cell membrane from an area of lower concentration to one f higher concentration.
- Diffusion
- the spreading of something more widely.
- Osmosis
- a process by which molecules of a solvent tend to pass through a semipermeable membrane from less concentrated solution into a more concentrated one.
- Macromolecules
- a molecule containing a very large number of atoms.
- protein
- any of a class of nitrogenous organic compounds that consist of large molecules
- nucleic acid
- a complex organic substance present in living cells
- carbohydrate
- any of a large group of organic compounds occurring in foods and living tissues