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27 Cards in this Set

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simple microscope
one lens ex magnifying glass
endoplasmic Reticulum (ER)
folded membranes some have ribosomes surrounding it (ROUGH ER) some are not(SMOOTH ER) transport network for molecules under construction
compound microscope
Has more thatn one lens ex light microscope
electron microscope
magnifies up to 100 times
magnify
objects appear larger
cytoplasm
gel like material surrounding organelles many chem. reactions take place here
nucleus
DNA found here contrals cell activity
cell theroy
1 all living things are mad of cells
2 cells are the basic unit of structure and function in living things
3 all cells come from cells
organic chemical compounds
anything living or once living or from something living and contians carbon
cell organelle
a part of a cell; has own structure which helps it do its own job
chloroplasts
contains pigment that turns plant green-site of photosynthesis only in plant cells
bacterial cell
no nucleus have:
cell wall
cell membrane
ribosomes
cytoplasm
molecule
smallest unit of compound
cell
basic unti of life
compound
two or more chem. combined elements
atom
smallest unit of an element
lysosomes
vesicle contains enzymes to digest and clean up cell
only in animal cells
resolution
describes how much detail you can see
high resolution= good clear detail
low resolution= poor details; unclear
vacuole
vesicle storage area for water, food and wastes plants have one big animals have lots
cell wall
only in plant cells cellulose gives wall rigid boxlike shape -channels that allow the passage of substances between cells
ribosomes
small round structures sit or protien synthesis
cell membrane
found in animal and plant cells
surrounds and contains cell parts
plays imp. role in allowing substance to enter and leave the cell
golgi bodies
modifies molecules and packages them into smaller sacs call vesicles
element
any substance that cannot be broken down into anything smaller
inorganic chemical compounds
dont contain carbon ex water:most chemical reactions require this
helps cells hold shape and regulate temperature
not living has never lived
centrioles
tubular structures occur in pairs control spindle formation in cell division only in animal cells
mitochondria
sit of cellular respiration