organelles are tiny structures within the cell that perform specialized tasks
the cytoplasm contains organelles that carry out specific functions
the nucleus is where DNA is stored, it controls all activities of the cell
tissue
group of similar cells with common functions
organs
group of different tissues performing common function
macroscopic view
visible to the naked eye
microscopic view
cannot be seen with a naked eye microscope is needed
cell theory
every organism is made up of cells and every cell comes from an other cell
why scientists did not understand the cell
They didn't have microscopes powerful enough to see cells and their organelles, their lack of tools, knowledge, and technology limited their understanding of the cell.
formula magnificationmagnificationpowerofmicroscope=magnificationofeyepiecetimesmagnificationofobjectivelens
