5: Cells Review
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What is a cell?
The basic unit of life; the smallest structural and functional unit of an organism.
What is an organelle?
A structure within a cell that has a specific function.
What is the function of the nucleus?
Controls the cell and contains DNA.
What does the cell membrane do?
Allows controlled gas exchange
What is cytoplasm?
A jelly-like substance through which organelles and nutrients move
What is the function of mitochondria?
Produces energy for the cell (cellular respiration).
What organelle is only in plant cells and used for photosynthesis?
Chloroplast.
What is the function of the cell wall (in plants)?
Provides structure and support to plant cells.
What is a vacuole?
Storage space in a cell for water, nutrients, or waste.
What is the difference between unicellular and multicellular organisms?
Unicellular = one cell; Multicellular = many cells.
What is a tissue?
A group of similar cells working together.
What is an organ?
A structure made of different tissues working together.
What is a system (in biology)?
Groups of organs working together
What are some uses for the cytoplasm
The cytoplasm gives the cell structural support, allows the organelles to move and allows biochemical reactions to occur