screeching Flashcards
(32 cards)
Cell Theory (1)
All living things are made of cells
Cell Theory (2)
Cells are the smallest unit of life
Cell Theory (3)
Living cells come from other living cells
What is it called when cells split and recreate themselves
Cell Division
Who saw dead cells for the first time in 1665
Robert Hooke
Who saw the first living cell in 1673
Anton Van Leeuwenhoek
Who said all plants are made of cells in 1838
Matthias Schleiden
Who said all animals are made of cells in 1839
Theodor Schwann
Who saw cells divide - figured out cells come from other living cells in 1855
Rudolf Virchow
What are cells
Basic unit structure of life - smallest
What reflects the function/job of the cell
The structure
Cells have what
The same basic needs humans have
No matter how large or small the cell is
It is still made up of one or more cells
Organelles
The smaller parts of the cell that each have their own jobs
Cell membrane
Protects the cells and picks what comes in and out of the cell
Cell wall
Only found in plant cells - gives structure and lets anything come in and out
Cytoplasm
The gel inside a cell that holds the organelles in place
Nucleus
The control center of the cell - holds DNA
Vacuole
Storage tank - plants have one central one while animals have multiple small ones
Mitochondria
Powerhouse of the cell - takes nutrients and turns them into energy for the process of Cellular Respiration
Chloroplast
Only found in plant cells - where photosynthesis takes place - contains the chlorophyll
Difference between plant and animal cells
Plants are square while cells are flowy
Size of Prokaryotic and Eukaryotic
P: Small
E: Big
What do Prokaryotic cells not have
Complex - nucleus - no membrane bound organelles - single celled
