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15 Cards in this Set

  • Front
  • Back
What are Cells?
The basic units of structure and function in living things.
What do you describe when talking about the structure?
What it is made of and how its parts are put together.
What are organisms functions?
Proceses that enable it to stay alive and reproduce.
How many cells a square centimeter are on your skin surface?
100,000 cells
An instrument that makes small object look larger.
a simple microscope contains how many lenses?
1 lense
What is a compound microscope?
A light microscope that contains more than one lense?
Cell Wall
Rigid layer of nonliving material that surrounds the cells of plants and other organisms.
Cell Membrane
Controls what substances come in and out of the cell.
Acts as the brain of the cell
Nucleur envelope
Surrounds nucleus and protects it.
Thin strands in the nucleus that contains gentic material, the instructions in directing the cells functions.
Where ribosomes are made
organelle where proteins are made
the region between the cell membrrane and nucleus.