Ooga Booga 1 Flashcards
First to see and identify cork cells and coined the term cells
Robert Hooke
First person to describe living organisms under a microscope
Anton van Leeuwenhoek
Described the nucleus as a special structure found in all cells
Robert Brown
Stated that all plants are composed of cells
Matthias schleiden
States all animals are composed of cells
Theodor Schwann
Proposed that all cells only arise from preexisting cells
Robert virchow
List the three parts of the cell theory
- All living things are made of cells
- Cells are the basic unit of life
- Cells come from other cells
List three reasons why cells are small
To increase surface area
For nutrients
Getting rid of waste material
Composed of just one cell
Unicellular organisms
Composed of many cells
Multicellular organisms
Collection of similar cells living together (mushrooms)
Colonial organisms
Group of similar cells working together to carry out a function
Tissue
Several types of tissues working together
Organs
Several organs working together
Organ system
Animals, plants, fungi, and protis have this type of cell
Eukaryotic
Bacteria has this kind of cell
Prokaryotic
Complicated contains organelles, nucleus is well defined, contains DNA
Organelles are suspended in jelly like substance called cytoplasm.
Everything is held inside of the cell by a membrane called a cell membrane(plasma membrane)
Eukaryotic cells
Almost identical to animal cells except they have three or more organelles.
Plant eukaryotic cells
Allows plants to stand upright
Cell wall
Where photosynthesis takes place
Chloroplast
Storage compartment
Large central vacuole
Organelles are suspended in a jelly like substance that moves materials throughout the cell called ___
Cytoplasm
Simplest cells, lack membrane bound organelles, contain cytoplasm, all are unicellular
Bacterial prokaryotic cells
Do not possess a distinct nucleus, have ribosomes floating freely in the cytoplasm
Prokaryotes