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Parts of a Eukaryotic Cell
N/A
20
Biology
10th Grade
09/15/2009

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Term
Cell Membrane
Definition
found in all types of cells; controls what enters and leaves the cell (selectively permeable)
Term
Cytoplasm
Definition
contains the thick fluid cytosol; space where the organelles are found
Term
Mitochondria
Definition
has two membranes and the inner one is folded; changes cell's food to energy
Term
Ribosomes
Definition
small organelles that make proteins; can be found on the ER and in the cytoplasm
Term
Smooth ER
Definition
folded membrane that makes lipids and does not have ribosomes; regulates calcium and removes toxins
Term
Rough ER
Definition
folded membrane that contains ribosomes to make proteins
Term
Golgi Apparatus
Definition
flattened stacks of membranes that process, package, and secrete proteins in the cell
Term
Lysosome
Definition
contains enzymes for digesting cell parts
Term
Cytoskeleton
Definition
protein strands in the cytosol; helps with the movement of organelles
Term
Microfilaments
Definition
solid protein fibers
Term
Microtubules
Definition
hollow protein tubes
Term
Cilia
Definition
hair-like organelles that extend from the cell membrane and assist with cell movement
Term
Nucleus
Definition
controls all the cell activities; contains the nucleolus and chromatin
Term
Nuclear Envelope
Definition
nuclear boundary, controls what enters and leaves the nucleus
Term
Chromatin
Definition
a combination of DNA and protein that can coil to form chromosomes; stores genetic information
Term
Nucleolus
Definition
makes ribosomes
Term
Cell Wall
Definition
common in plant cells; protects and supports the cell
Term
Chloroplasts
Definition
common in plant cells; provide green color and carry out the process of photosynthesis
Term
Vacuole
Definition
used to store water, salt, protein, carbohydrates, and waste; very large in plant cells
Term
Centrioles
Definition
common in animal cells; protein fibers that help divide the cell during cell division
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