Cell Theory 3.1 Flashcards
Who and in what year was the first to identify cells, and he named them.?
Hooke and in1665
In what year English scientist Robert Hooke used the three-lens compound microscope?
1665
Who and in what Because he made better lenses, Leeuwenhoek observed cells in greater detail.?
Leeuwenhoek and in 1674
Who and in what year was the first to note that plants are made of cells.?
1838 sheileden
Who and in what year con- cluded that all living things are made of cells.?
Schwann and in 1839
Who and in what year proposed that all cells come from other cells.?
Virchow and in 1855
The major principles of the cell theory are ?
All organisms are made of cells.
• All existing cells are produced by other living cells.
• The cell is the most basic unit of life.
is a jellylike substance that contains dissolved molecular building blocks—such
as proteins, nucleic acids, minerals, and ions
Cytoplasm
are structures specialized to per- form distinct processes within a cell.
organelles
do not have a nucleus or other membrane-bound organelles.
prokaryotic cells
have a nucleus and other membrane- bound organelles.
eukaryotic cells
