Studied by 52 people
very small
micro means?
to observed
scope means?
microscope
a tool that can be used to observed very small specimen or bacteria
light microscope
uses natural light to see the specimen or bacteria
electronic microscope
uses electricity to see the specimen and have a high magnification
compound microscope
a high magnification microscope that uses two lenses to multiply the magnification
simple microscope
a microscope that uses a single magnification lens to enlarge an image
magnification,resolution,contrast
three types of parameters of a microscope
magnification
it makes a specimen of its actual size bigger (2000x) or enhances the size
resolution
clarity of the image
contrast
to highlight (staining) to see the specimen easier
ocular/eyepiece
Its the lenses that you look through and magnifies the object
body tube
hold the eyepiece/ocular and maintains the proper distance between the ocular and objective
revolving nosepiece
holds the objective lenses and it rotates
objective lenses
its the three or four lenses that magnify a object at a certain magnification unit
scanning,lpo,hpo,oio
types of objective lenses
stage
holds the slide and has a hole in the middle for the diaphgram
diaphgram
it controls the light going through the microscope
mirror
it bounces the light to the stage or microscope
course adjustment knobs
moves the body tube in large movement
fine adjustment knobs
moves the body tube in fine or small movement
arm
acts as handle and supports the body tube
stage clips
hold the slides in place
base
supports the entire microscope
robert hooke
★ coined the term “cell”
★ observed the cell of a cork
small room
cell means ?
anton van leewenhooke
★observed pond water and saw organism moving
★father of microbiology
★ first to see microorganism
robert brown
★discovered nucleus
★human cells
matthias j. schleiden
★ a german botanist
★ discovered plant cells
theodore schwain
★a german zoologist
★ discovered animal cells
rudolf virchow
★discovered cell division
★populated the cell theory
cell theory
all nonliving & living things are made out of cells and the cells are the fundamental of life and came from pre-existing cell
dividing themselves
pre-existing cells multiply by?
mitosis and miosis
two types of cell division
bateria,algae,fungi,archea
prokaryotic cells are
animals,plants,humans
eukaryotic cells are
similarities of eukaryotic and prokaryotic
★ dna
★mitochondria
★organelles
★cell membrane
★ cytosol
difference of eukaryotic and prokaryotic
★location of dna
eukaryotic cells dna are stored in nucleus
while prokaryotic cells dna are in nucleoid
★ size of the cells
eukaryotic cells is bigger than the prokaryotic cells
before or came first
pro in prokaryotic means
true or composed of one or more cells
eukra in eukrayotic means
Thanks!
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Flashcard (48)