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Cell Structures
N/A
22
Biology
11th Grade
10/03/2011

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Term
Electron microscopes
Definition
use electrns to focus and magnify images, higher magnification than light microscopes
Term
Van Leeuwenhoek
Definition
described living cells as seen through a simple microscope
Term
Schleiden
Definition
all plants are made of living cells
Term
Schwann
Definition
all animals are made of living cells
Term
Hooke
Definition
cork composed of tiny hollow boxes
Term
Scanning electron microscope
Definition
provides 3D image, scans the surface of a cell
Term
Scanning electron microscope
Definition
provides 3D image, scans the surface of a cell
Term
cell wall
Definition
an inflexible barrier that provides support and protects the plant cell.
Term
centrioles
Definition
organelles that occur in pairs and are important for cell division
Term
chloroplast
Definition
a double-membrane organelle with thylakoids containing chlorophyll where photosynthesis takes place
stucture where light energy captured and converted to chemical energy
Term
cilia
Definition
short, numerous projections that look like hairs
Term
cytoskeleton
Definition
compose of microtubes, help move material in and out of cell
Term
Endoplasmic reticulum
Definition
fuse to the nucleus memberane, store, ans seprate, smooth type do not have ribosome, rough type have ribosome
Term
flagella
Definition
longer and less numerous than cilia
Term
golgi apparatus
Definition
similar to the section of a factory that organizes, boxes, and ships to the final product
Term
lysosome
Definition
a vesicle that contains digestive enzymes for the breakdown of excess or worn-out cellular substances
Term
mitochondrion
Definition
makes energy avaliable to the rest of the cell, controls level of water, recycle and decompose micromolecus
Term
nucleus
Definition
contain RNA for protein manufature, contains coded directions for the production of prteins and cell division
Term
plasma membrane
Definition
a flexible boundary that controls the movement of substances into and out of the cell
Term
plasma membrane
Definition
a flexible boundary that controls the movement of substances into and out of the cell
Term
ribosome
Definition
assemble 20 amino acid, form a perticular protein molecues
Term
vacuole
Definition
contain water solution, contract vacuole used for water removel, temporary storage of materials
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