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Cell Organelles
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16
Science
7th Grade
10/17/2012

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Term
Nucleolus
Definition
an organelle within the nucleus
Term
Nucleus
Definition
a spherical body containing many organelles including the nucleolus.It controls functions of the cell.
Term
Mitochondrion
Definition
spherical rod shape organelle with a double membrane that converts energy into glucose.
Term
Cell Wall
Definition
rigid membrane that surrounds a cell. Gives the cell protection and support.
Term
Cytoplasm
Definition
jelly like material outside the nucleus.Holds all the organelles together
Term
lysosomes
Definition
release chemicals that break down large food particles into smaller ones
Term
cell membrane
Definition
controls what enters and leaves the cell
Term
chloroplasts
Definition
use energy from sunlight to produce food in plants
Term
ribosomes
Definition
grain like organelles that produce proteins
Term
microtubules
Definition
function in cell division and serve as a "temporary scaffolding" for other organelles
Term
endoplasmic reticulum
Definition
is the transport system for molecules needed for certain changes and specific destinations, instead of molecules that float freely in the cytoplasm. There are two types of ER, rough and smooth. Rough ER has ribosomes attached to it, as mentioned before, and smooth ER does not
Term
golgi apparatus
Definition
A complex of vesicles and folded membranes within the cytoplasm of most eukaryotic cells, involved in secretion and intracellular transport
Term
large central vacuole
Definition
It is a large membrane bound vesicle, which functions in storage
Term
vacoule membrane
Definition
any differentiated layer surrounding a vacuole
Term
golgi vesicle
Definition
A membrane-bound body that forms by "budding" from the Golgi apparatus
Term
pinocytotic vesicle
Definition
a vesicle containing fluid or solute being ingested into a cell by endocytosis
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