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Cell Structures and Functions
Basic Cell structure and functions Grade6
16
Science
Not Applicable
04/21/2005

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Term
Cell Membrane
Definition
The outer covering of a cell that controls what comes in and out of the cell.
Hint:found in both a plant and an animal cell
Term
Nucleus
Definition
The membrane enclosed command center that controls and directs all the cells activities.
Term
Chromosomes
Definition
Thes parts contain complex chemical information that directs the cell's heredity-related activities.
Term
Mitochondria
Definition
These supply the energy or "power" needed by the cell to do work.
Term
Chloroplasts
Definition
Part of a plant cell where cells convert light energy into food (chlorophyll)
Term
Cytoplasm
Definition
The gel-like substance in which most of the cell's life processes take place.
Term
Cell Wall
Definition
The rigid layer in a plant cell that supports and protects the cell.
Term
Nucleous
Definition
A region IN THE NUCLEUS that produces tine particles needed in protein synthesis.
Term
Vacuoles
Definition
Places where cells store water, food or waste materials.
Hint: these are larger in plant cells than animal cells.
Term
Lysosomes
Definition
A part found in animal cells that break down food particles and worn out cell parts.
Term
Golgi Bodies
Definition
These structures receive materials from the Endoplasmic Reticulum and send them to other parts of the cell. They also release materials outside the cell.
Term
Endoplasmic Reticulum
Definition
A network of passageways that carries materials from one part of the cell to another.
Term
Ribosomes
Definition
These small structures function as factories to produce proteins in animal cells. They may "park" on the Endoplasmic Reticulum or float freely in the cytoplasm.
Term
Organelles
Definition
A general term for any of the cell parts
Term
Cell
Definition
The smallest unit of a living thing.
Term
Levels of Organization
Definition
Cells-Tissues-Organs-Organ Systems
The way cells interact to form complex functions
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