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Cells Parts and Functions 2
N/A
20
Science
6th Grade
04/08/2011

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Term
Eukaryote
Definition
An organism made up of cells that have a nucleus enclosed by a membrane, multiple chromosomes, and a mitotic cycle; eukaryotes include protists, animals, plants, and fungi but not archaea or bacteria.
Term
Mitochondrion
Definition
Power House - it is an organelle in which sugar is broken down to produce energy.
Term
DNA
Definition
genetic material that carries information needed to make new cells and new organisms.
Term
Cell membrane
Definition
protective layer that covers a cell’s surface and acts as a barrier.
Term
Golgi complex
Definition

 

organelle that packages and distributes proteins. 

Term
Endoplasmic reticulum
Definition
a system of folded membranes in which protein, lipids and other materials are made and acts like an internal delivery system of the cells.
Term
Organelle
Definition
"Little organs" - structures that perform specific functions i the cell.
Term
Cell wall
Definition
found in plant cells. A rigid structure that gives support to the cell.
Term
Lysosome
Definition
they destroy worn out or damaged organelles, get rid of waste and protect the cell from foreign invaders.
Term
Cytoplasm
Definition
the fluid located inside the cell and it holds all the cell contents.
Term
Cytoskeleton
Definition
web of proteins in the cytoplasm that acts as both a muscle and skeleton.  It keeps the cell's membrane from collapsing and helps the cell move.
Term
Nucleus
Definition
The control center of the cell that has a role in processes such as growth, metabolism, and reproduction.
Term
Ribosome
Definition
organelles that make proteins that is essential for the cell to live.
Term
Vesicle
Definition
a small sac that surrounds material to be moved into or out of the cells.
Term
Vacuole
Definition
mainly in plant cells; a vesicle that stores water and other materials.
Term
Chlorophyll
Definition
a green pigment found in plant cells that traps the energy of sunlight.
Term
Chloroplast
Definition
it is an organelle in which photosynthesis takes place; uses sunlight, carbon dixoide and water to make sugar and oxygen.
Term
Nucleolus
Definition
dark spot located in the nucleus where a cell begins to make its ribosomes.
Term
 Plant Cell
Definition

Has a cell wall.

Has a chloroplast.

Has cellulose fibers.

Has a vacuole.

Doesn't have a lysosome.

Term
Animal Cell
Definition

Doesn't have a cell wall.

Doesn't have a chloroplast.

Doesn't have cellulose fibers.

Doesn't have a vacuole.

Has phospholipids.

Has a lysosome.

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