1 Flashcards
Dutch spectacle maker who is associated with the first invention of compound microscope
Zacharias Janssen
Coined the term “Cell” by looking at a piece of cork under the microscope
Robert Hooke
Dutch microscopist who was the first to observe bacteria and protozoa.
Antonie Van Leeuwenhoek
German botanist who stated that plants are made up of cells
Matthias Jakob Schleiden
German physician and physiologist, concluded that animals are also made up of cells.
Theodor Schwann
German physician which stated that cells come from pre-existing cells through cellular division
Rudolf Virchow
The simplest structural and functional unit of life.
cell
Postulate 1
All living things are made up of cells
Postulate 2
Cells are the basic unit of structure and function in an organism
Postulate 3
Cells come from pre-existing cells
Postulate 4
Cells carry genetic material which is passed from cell to cell during cell division
Postulate 5
All cells are basically the same in structure and chemical composition
Postulate 6
Energy flow (biochemical processes) occurs within cells
“little organs”
Organelles
Structure: a thin, double layer of protein and fat
Function:
- separates the inner contents of the cell
- regulates the passage of materials in and out of the cell
Cell Membrane