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Cells
Made by Zachary Heidemann for St.Bede School Test
20
Science
7th Grade
11/01/2012

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Cards

Term
State the parts of the cell theory
Definition
Organisms are made of 1 or more cells
The cell is the basic unit of all living things
All cells come from existing cells
Term
definitions now:

cell
Definition
the smallest unit that can perform all life processes
Term
cell membrane
Definition
a phospholipid layer that covers a cells surface
Term
organelle
Definition
one of the small bodies in a cells cytoplasm that perform a specific function
Term
nucleus
Definition
an organelle that contains the cells DNA=
Term
prokaryote
Definition
an organism that consists of a single cell that does not have a nucleus
Term
eukaryote
Definition
an organism made of cells that have nucleus enclosed by a membrane
Term
cell wall
Definition
a rigid structure that surrounds the cell membrane and provides support to the cell
Term
ribosome
Definition
cell organelle composed of RNA and protein/ it makes protein
Term
endoplasmic reticulum
Definition
a system of membranes that is found in a cell's cytoplasm and that assists in the production, processing, and transport of proteins and in the production of lipids
Term
mitochondrion
Definition
the cell organelle that is surrounded by two membranes and that is the site of cellular respiration
Term
Golgi Complex
Definition
organelle that helps make and package materials to be transported out of the cell
Term
vesicle
Definition
a small cavity or sac that contains materials in a eukaryotic cell
Term
lysosome
Definition
a cell organelle that contains digestive enzymes
Term
tissue
Definition
a group of cells working together to perform a specific function
Term
organ
Definition
a collection of tissues that carry out a specialized function
Term
organ system
Definition
a group of organs that work together
Term
organism
Definition
anything that can carry out life processes independently
Term
structure
Definition
the arrangement of parts in a organism
Term
function
Definition
the special, normal, or proper activity of an organ or part
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