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List 2 of the 3 parts of the definition of a cell.
1. smallest structural and functional unit of an organism. 2. Usually microscopic. 3. Has cytoplasm enclosed within a membrane.
What is a prokaryotic cell?
Cell without a nucleus and without membrane bound organelles.
What is a eukaryotic cell?
Cell with a nucleus & membrane bound organelles
What is a microscope?
A tool that uses lenses to magnify objects.
What are the 3 parts of cell theory.
1. All organisms are composed of cells. 2. Cells are the basic unit of life. 3. All cells result from the division of previously existing living cells
Who named cells?
Robert Hooke
Who concluded all plant tissue is made of cells?
Schleiden
Who concluded that all animal tissue is made of cells?
Schwann
Who wrote the first 2 parts of cell theory?
Schleiden & Schwann
Who wrote the 3rd part of cell theory?
Virchow
What is metabolism?
Chemical reactions inside a cell
What is cell response?
When a cell perceives and responds to changes in the environment.
What is homeostasis?
Keeping conditions inside the organism balanced and stable
what is growth?
when an organism increases in size
What is reproduction?
The ability to produce offspring
What is nutrition?
Obtaining food for energy and growth
