Shared Flashcard Set

Details

Cells: The Basic Units of Life
Chapter 3:section 2 - Life Science - ISBN#: 0-03-073164-X year: 2004
9
Science
7th Grade
09/25/2010

Additional Science Flashcards

 


 

Cards

Term
cell membrane
Definition
a phosoplipid layer that covers a cell's surface and acts as a barrier between the inside of a cell and the cell's environment
Term
organelles
Definition
a structure within a cell, sometimes surrounded by a membrane
Term
cytoplasm
Definition
a cellular fluid surrounding a cell's organelles
Term
nucleus
Definition
the membrane-covered organelle found in eukaryotic cells; contains the cell's DNA and serves as a control center for the cell.
Term
prokaryotic
Definition
a cell that does NOT have a nucleus or any other membrane-covered organelles; also called a bacterium
Term
eukaryotic
Definition
a cell that contains a central nucleus and a complicated internal structure
Term
bacteria
Definition
extremely small, single-celled organisms without a nucleus;prokarytoic cells are also called bacteria.
Term
Prokaryotic Cells
Definition
NO Nucleus NO membrane-coverd organelles Circular DNA Bacteria
Term
Eukaryotic Cells
Definition
Nucleus Membrane-covered organelles Linear DNA All other cells (Eukaryotic cells are more complex than prokarytoic cells)
Supporting users have an ad free experience!