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Cell Vocabulary
Vocabulary Covering All Cells
20
Biology
9th Grade
10/18/2012

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Term
cell (plasma) membrane
Definition
a lipid bilayer (2 layers of lipids) that encloses the cell. It serves as the cells filter, allowing some things in and some things out.
Term
pro-
Definition
a prefix meaning "before"
Term
eu-
Definition
a prefix meaning "true"
Term
mitochondrion
Definition
the "powerhouse" of the cell. It is the organelle where cellular respiration takes place.
Term
specialization
Definition
the separation of specific tasks for separate organelles within a cell.
Term
cell
Definition
the smallest unit of life.
Term
organelles
Definition
specialized, functioning structues within a cell
Term
nucleus
Definition
the "brain" of the cell. Holds all genetic information for a given eukaryotic cell.
Term
-karyote
Definition
a suffix meaning "nucleus"
Term
ribosome
Definition
a protein organelle that functions in making more proteins. "proteins making proteins"
Term
protein pump
Definition
A method of cellular transport that requires proteins and energy in the form of ATP
Term
active transport
Definition
A form of cellular transport that requires energy.
Term
homeostasis
Definition
Term
passive transport
Definition
a method of cellular transport that does not require energy.
Term
osmosis
Definition
the movement of water into and out of the cell through the cell membrane
Term
-cytosis
Definition
suffix meaning "cell"
Term
selectively permeable
Definition
allowing certain particles, molecules, or ions in but excluding others.
Term
endo-
Definition
a prefix meaning "into"
Term
exo-
Definition
a prefix meaning "out of"
Term
diffusion
Definition
the movement of solutes or particles into and out of the cell through the cell membrane.
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