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Ch 7 View of a Cell
Ables/Brown flashcards review
18
Biology
9th Grade
01/24/2008

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Term
Robert Hooke
Definition
First looked at cells under the microscope.
Term
Prokaryotes
Definition
cells with no membrane bound organelles like bacteria
Term
Eukaryotes
Definition
cells with organelles. Higher organized cells.
Term
cell membrane
Definition
the outer covering of the cell that control what passes in and out of the cell
Term
Transport proteins
Definition
used to transport materials in and out of the cell
Term
Cellulose
Definition
makes up cell walls of plants, fungi and bacteria for suppoet and protections. It makes trees bark hard.
Term
Chromatin
Definition
strands of DNA found in the nucleus that control production of proteins
Term
Nucleolus
Definition
a structure inside the nucleus that produces ribosomes
Term
Ribosomes
Definition
found in the cytoplasm usually in the rough endoplasmic recticulum and controlling protein production in the cell
Term
Endoplasmic recticulum
Definition
the work space in the cell where chemical reactions occur. If it is rough, it has ribosomes in it, if smooth, it controls lipid production.
Term
Golgi Apparatus
Definition
The "Fed Ex" of the cell. They sort proteins and send them to where they are needed.
Term
Vacuoles
Definition
packages of stored materials in the cell. Plant cells usually have only one big one.
Term
Lysosomes
Definition
vacuoles containing digestive enzymes. They digest food and kill bacteria threats.
Term
Chloroplasts
Definition
Plant structures that contain chlorophyll and where photosythesis takes place
Term
Mitochodria
Definition
The powerhouse of the cell where glucose is broken down and converted into energy.
Term
Cytoskeleton
Definition
cells that form structure from a network of protein called micofiliments and microtubules
Term
Cilia
Definition
Structures on cells that are used for movement (locomotion) and feeding
Term
Flagella
Definition
a whiplike tail on cells used for locomotion or movement
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