Cells Flashcards
What is cell theory?
Cell theory is one of the
basic foundation
theories of biology, ideas about cells, and living thing evolved over centuries, composed of three main parts.
Modern cell theory includes…
Energy flow occurs within cells, hereditary information (DNA) is passed on from cell to cell, all cells have the same basic chemical composition.
What did Hans and Zacharias Janssen do?
He came up with the telescope and microscope compound.
What did Robert Hooke do?
He came up with the word cell and first discovered cells in cork.
What did Anton van Leeuwenhoek do?
He discovered bacteria and living cells on his new, handcrafted microscope. He also discovered red blood cells.
What did Matias Schleiden do?
He studied plant cells.
What did Theodore Schwann do?
He studied animal cells.
What did Rudolph Virchow do?
He showed that cells multiply from pre-existing cells.
What is the first cell theory?
All living organisms are composed of one or more cells.
What is the second cell theory?
The cell is the basic unit of life.
What is the third cell theory?
All cells are produced from other cells.
What is the cell wall’s function?
Surrounds the plant and cell and maintains cells shape and structure. (is only in the plant cell)
What is the cell wall’s analogy?
A brick wall.
What is the cell walls appearance?
A green rectangular shape.
What is the cell membranes function?
Controls what goes in and out of the cell.
What is the cell membrane’s analogy?
A key going into a keyhole.
What is the cell membrane’s appearance?
A purple funky shape.
