In this powerpoint, you will learn about: Cell theory Difference between eukaryote sand prokaryotes Endoysymbiosis explained Organelle structure and function This is important information and will take some effort to learn. You may want to make flashcards.
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In this powerpoint, you will learn about: Cell theory Difference between eukaryote sand prokaryotes Endoysymbiosis explained Organelle structure and function.
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In this powerpoint, you will learn about:
Cell theory
Difference between eukaryote sand prokaryotes
Endoysymbiosis explained
Organelle structure and function
This is important information and will take some effort to learn.
You may want to make flashcards.
Beginnings of the Cell Theory
1665: Robert Hooke first observed cells in a piece of cork.
1675: Anton van Leeuwenhoek observed living cells and microorganisms.
Beginnings of the Cell Theory1838: Matthias Schleiden—all plants are made of cells.
1839: Theodor Schwann—animals are made of cells.
1855: Rudolf Virchow—cells can only arise from other cells.
Cell TheoryThese scientists helped form what is
now known as the cell theory:
All living things are composed of cellsThe cell is the basic unit of structure
and function in living thingsNew cells originate from existing cells
Prokaryotes vs. EukaryotesProkaryotesSmallerSimpler
structureLacks most
organellesDNA NOT
within a membrane (no nucleus)
Early cellular life on earthEndosymbiosis theorySome prokaryotic
organisms that made their own food were engulfed by eukaryotic organisms
They experienced symbiosis (two different species benefitting from living and working together)
Evidence that supports endosymbiosis
They have a double membrane surrounding their inner structure
Mitochondria and chloroplasts have their own DNA
They produce proteins and enzymes that they need in order to function
They are able to replicate their own DNA and direct their own division, just like bacterial cells do
Prokaryotes vs. EukaryotesEukaryotesLargerMore complex
structureHas a nucleus
(DNA within a membrane)
Many types of organelles
Cells
Eukaryotic
Prokaryotic
Can be
Bacteria
Known as Contain
Organelles
Lackfound
in
Protists
FungiPlants
Animals
Concept Map
Eukaryotic CellsTwo major types:PlantAnimal
Many different organellesOrganelle: a structure within a cell
that carries out a certain function
Major organelles:Nucleus
Nucleolus
Ribosomes
Endoplasmic reticulum (ER)Smooth ERRough ER
Golgi Apparatus
Lysosomes
Vacuoles
Mitochondria
Cell membrane
Cytoplasm
Centrioles
NucleusControl center of cellContains DNADirects protein synthesis