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33 Cards in this Set
- Front
- Back
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cytology
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study of cells
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how long have cells ben around
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4billion yrs
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1600s
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light microscope invented
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1665
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robert hooke coined the term "cell"
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1700
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anton van leewenhoek observed tiney living organisms in pond water much of his research led to cell therory
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cell theory(3)
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1. all living things are composed of cells
2.cells are the basic unit of both structure and function of living things 3. all cells come from preexisting cells |
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cells are the _____of organisms
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building blocks
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what structures are found in all cells
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cell membrane
ribosomes both DNA and RNA |
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2 major types of cells
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prokaryote
eukaryote |
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can there be a mixture of both prokaryote celles and eukaryote cels
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no
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prokaryotic cells
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only in unicellular organisms
oldest smallest very simple no nuclus tend to live in colonies |
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eukaryotic cells
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can be unicellular or multicellular
much bigger than prokaryotic cells younger contains a nuclueus contains membraine bond organelles |
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ex of prokaryotic cells
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bacteria
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ex of eukaryotic cells
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all multicellular organisms
some unicellular-amoeba |
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are cells the same shape
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no different depending on funciton
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how many different types of cells are there in the human body
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210
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nucleus
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CONTAINS DNA
membrane with nuclere pores makes ribosomes |
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what do the nuclere pores do
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move stuff in and out
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what does the DNA in the nuclueus contain
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contains instructions for making a protien
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chloroplast
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makes glucose
found in plant cells many in one cell green |
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mitochondria
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converts energy in glucose to usable cellular energy (ATP)
many in one cell found in animal and plant cells |
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rough endoplasmic reticulum
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ribosomes attached to a folded membrane
makes protiens that will be eported out of the cell found in animal and plant cells |
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smooth endoplasmic reticulum
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makes lipids
lipids can stay or be exported found in plant and animal cells |
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golgi body
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recieves proties and lipids from RER and SER
pakages and adresses materals for transportation UPS animals and plant cells |
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cellular structures
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cell wall
cytoskeleton ribosomes cytoplasm |
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support structure and transport in eukaryotic cells
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microtubles and microfilments
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cytoskeleton
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network of microtuble sand microfilatments
for support also used as the roadways |
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structure in an animal cell
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cytoskeletan primarially but also centranl vacule(uses water pressure)
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structure fo a plant cell
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cell wall(made of cellulose)
!cytoskeleton used only 4 transport! |
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mitochondria
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Basic function:
Convert the energy in glucose to usable cellular energy called ATP. Found in animal and plant cells Many in one cell |
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vesicles
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Basic function: transports cellular materials to other organelles or transport matrial for export out of the cell.
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vacules
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Basic function: storage (water and food)
Plant cells contain one large central vacuole and smaller vacuoles Animal cells only contain smaller vacuoles |
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lysosome
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Remove wastes from cells
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