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Cell Parts
The cell part and its function.
13
Biology
9th Grade
11/14/2007

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Cards

Term

nucleus

Definition

control center for the cell. contains directions to make proteins, activity of organelles.

Term
vacuole
Definition

temporary storage of materials. Sac used to store food, enzymes and other matierals needed by a cell.

 

found in both.

Term
lysosome
Definition

digest excess of worn out organelles, food particles, engulfed viruses or bacteria.

 "breaks down old or damaged parts of the cell."

Digestion.

 

found in both.

Term
mitochondria
Definition

transforms energy for the cell. stored in other bonds of molecules that cell organelles can use later for energy.

 "creates & stores energy/power for the cell"

 

found in both

Term
endoplasmic reticulum AND ribosomes
Definition

endoplasmic reticulum - chemical reactions.

smooth one - hormones, steroids, medications.

rough - workers make all kinds of things.

 

ribosomes - makes proteins. "makes all kinds of things to use in the cell and to send out of the cell."

 

found in both.

 

Term
golgi
Definition

modifies proteins, stores proteins into packages and packs them in vesicles to be sent to a destination.

"packages up things made in the cell, and ships them out."

found in both.

Term

cytoplasm, mictotubles, cell wall, cell membrane

Definition

cell wall - protect cell and give shape.

microtubles - maintain shape of cell. also anchor and support many organelles.

cytoplasm- provides and supports transportation. "the part of the cell outside of the nucleus"

cytoskeleton: mictrobules and microfilaments: "provides paths for parts of cell to move."

 

cell wall found only in plants, everything else found in both.

Term
chloroplast
Definition

capture light energy, and convert it to chemical energy.

produces food.

 

found in plants.

Term
centrioles
Definition

play a role in chromatid seperation and cell divisions.

 

found in animal cells

Term
celia and flagella
Definition

aid cell in locomotion or feeding. major means of locomotion.

 

found in both.

Term
chromosomes
Definition
cell structures that carry the onetic material (condensed chromatin)
Term
PROKARYOTIC CELLS
Definition

- are unicellular

- no nucleus

- have no membrane- bound organelles

- appear in ribosomes, cell wall and plasma membrane

Term
EUKARYOTIC CELLS
Definition

- are multicellular (some are single celled)

- have a nucleus

- have membrane-bound organelles

-present in every cell part

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