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39 Cards in this Set

  • Front
  • Back
First person to use a microscope
Robert Hooke
Year Robert Hook used microscope
1665
Used a mic. to observe pond water
Leeuwenhoek
Stated that living things are everywhere
Leeuwenhoek
Called moving organisms animalcules
Leeuwenhoek
3 parts to the cell theory
all living things contain at least one cell, cells are the basic unit of structure and function in living things, new cells are produced from existing cells
Who discoverd all plants are made of cells? What year?
Schleiden, 1838
Who discovered all animals are made of cells? What year?
Schwann, 1839
When cells are dissected...
they die
Who discovered that new cells could be reproduced only from existing ones? What year?
Virchow, 1855
Before the cell theory, what was the belief called?
spontaneous generation
Who challenged spontaneous generation with rotting meat?
Redi
Who proved that spontaneous generation is a myth? What method did he invent?
Pasteur, pasteurization (adding heat sterilises food, tools. containers perserve them)
filamentous
strings of single cells
prokaryote cell
smaller and simpler
Cell walls are in what two cells?
plants, and most prokaryots
cell walls are made of
cellulose
nucleus contains
DNA
material inside the nucleus is called
chromatin
What forms chromosomes when it condenses?
chromatin
What is the function of the nucleolus?
Begins to make ribosomes
What is the function of the nucleolus
creates ribosomes
What is the nucleus surrounded by?
nuclear envelope
What do some cells have that help support the cell?
a cytoskeleton
what are microtubules
hollow tubes of protein that maintain cell shape, help in cell division
what do microtubules form in animal cells
centrioles
what do microtubules form in some cells (NOT ANIMAL CELLS)
cilia and flagella (enable cells to move)
what are ribosomes
small particles of rna that assemble the proteins
what is the endoplasmic reticulum
the organelle where components of the cell membrane are made
what is the difference between the smooth and rough er?
rough has ribosomes on the outside of it
what is the golgi apparatus
where enzymes attach carbs. to proteins
what are lysosomes
organelles w/ ensymes, break down stuff
what is a vacuole
where cells store materials
what are found in plants that use energy from teh sun to make food?
chloroplasts
the green pigment _____ is located in the chloroplast
chlorophyll
what is used to power growth, development, and movement?
mitochondria
cells work together to form ___
tissue, which in turn form organs
how do animal cells move?
crawl with pseudopods
swim with flagellum
swim fast with cilia
what is the endosymbiont theory
a prokaryote "eats" and smaller one, which lives inside it and produces glucose