Find out the relative timing of the eventsand place them in the correct order from the least recent to themost recent. If research leading to this invention, event, orfinding spanned many years use the date of the project's completionin the time series

For each event find outthe significance of the discovery, event or invention to CellBiology

    Discovery of the role of cyclic AMP in cell signalling
    Discovery of the chemical structure of DNA
    Discovery of the cell as a unit
    Understanding of the mechanism the light-independent reactionof photosynthesis
    Cell culture technique first developed