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Bio Terms 7.2
Cell Structure
14
Biology
9th Grade
12/08/2014

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Term
Cytoplasm
Definition
Is the portion of the cell outside of the nucleus.
Term
Organelle
Definition
Because of many of these structures act like specialized organs, they are known as?
Term
Vacuole
Definition
Many cells contain large, saclike, membrane-enclosed structures called vacuoles.
Term
Lysosomes
Definition
Are small organelles filled with enzymes.
Term
Cytoskeleton
Definition
Eukaryotic cells are given their shape and internal organization by a network of protein filaments.
Term
Centrioles
Definition
Are located near the nucleus and help organize cell division.
Term
Ribosomes
Definition
Are small particles of RNA and protein found throughout the cytoplasm in all cells.
Term
Endoplasmic Reticulum
Definition
Eukrayotic cells contain an internal membrane system known as?
Term
Golgi Apparatus
Definition
In eukaryotic cells, proteins produced in the rough ER move next into an organelle celled?
Term
Chloroplasts
Definition
Are the biological equivalents of solar power plants.
Term
Mitochondria
Definition
Are the power plants of the cell.
Term
Cell Wall
Definition
Many cells, including most porkaryotes, also produced a strong supporting layer around the membrane.
Term
Lipid Bilayer
Definition
Gives cell membranes a flexible structure that forms a strong barrier between the cells and its surroundings.
Term
Selectively Permeable
Definition
Meaning that some substances can pass across them and others cannot.
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