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Anatomy and Physiology
Eukaryotic Cells
16
Biology
Undergraduate 2
06/09/2009

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Term
nucleus
Definition
control center of the cell
Term
nuclear envelope
Definition
nuclear membrane, semipermiable phospolipid bilayer.
Term
nucleolus
Definition
spherical body made of RNA that produces ribosomes
Term
chromatin
Definition
transform into chromosomes during mitosis
Term
cytoplasm
Definition
soup of cell
Term
mitochondria
Definition
powerhouse, energy is extracted from organic compounds and turned into r.a.u. energy in ATP molecules via Cellular respiration
Term
ribosomes
Definition
RNA and protein. assemble specific amino acids into a protein with coded instructions from mRNA. Protein synthesis.
Term
endoplasmic reticulum
Definition
communication and transportation. comes in 2 varities, depending on ribosomes.
Term
golgi
Definition
packages glycoproteins in vesicles used for many things inside and out of the cell.
Term
vesicles
Definition
sacs containing various substances
Term
lysosomes
Definition
contain powerful hydrolytic enzymes that help destroy foreign substances in the cell.
Term
cytoskeleton
Definition
determines shape of cell
contribute to structural support
organize contents of the cell
moves substances through cell
contribute to movements of cell as a whole
Term
centrioles
Definition
short assembly of microtubules with various functions.
Term
microvilli
Definition
plasma memmbrane extensions that increase surface area
Term
cilia
Definition
hairlike motile projections that help propel substances within human body
Term
flagella
Definition
hairlike motile projections that help cell move.
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