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Pre-AP Biology: Cell Parts
Quiz on 1o.29.o8
16
Biology
9th Grade
10/28/2008

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Term
Cell Membrane
Definition
Encloses, protects, and separates the cell from outside environments. Allows transportation in and out of the cell.
Term
Nucleus
Definition
Contains DNA which directs all cell activity.
Term
Nucleolus
Definition
Produces RNA and subunits of ribosomes.
Term
Nuclear Membrane
Definition
Encloses and protects nucleus. Allows molecules in and out.
Term
Cytoskeleton
Definition
Gives cell shape, contains cell organelles, helps movement of organelles.
Term
Endoplasmic Reticulum
Definition
Transport network and storage area for substances in cell. Assembles lipid components.
Term
Ribosome
Definition
Manufactures and synthesizes proteins.
Term
Golgi Apparatus
Definition
Packages and processes proteins for storage in the cell.
Term
Lysosome
Definition
Breaks down food and foreign material, removes waste from cell.
Term
Mitochondria
Definition
Powerhouse of cell, produces ATP (stores energy for cell activity).
Term
Centrioles
Definition
Used for cell reproduction.
Term
Microfilaments and Microtubules
Definition
Structural support for cytoskeleton.
Term
Vacuoles
Definition
Supports cell wall of plant cells through internal pressure. Digests food and removes and stores waste. Saclike and stores water, salt, proteins, and carbohydrates.
Term
Chromoplast
Definition
Makes plants green.
Term
Leucoplast
Definition
Stores starches, lipids, and proteins.
Term
Cholorplast
Definition
Uses sun energy to produce glucose.
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