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What is the smallest unit of life?
The Cell
What is the first hypothesis of the cell theory?
All living things are composed of one or more cells.
What is the second hypothesis of the cell theory?
The cell is the basic unit of life.
What is the third hypothesis of the cell theory?
All cells come from preexisting cells.
What is the fourth hypothesis of the cell theory?
Energy flow occurs within cells.
What is the fifth hypothesis of the cell theory?
Hereditary information (DNA) is contained within cells.
What is the sixth hypothesis of the cell theory?
All cells have the same basic chemical composition.
What is the control center of the cell?
The nucleus
What controls the movement of materials in and out of the cell?
The cell membrane and cell wall
What provides support and structure for a plant cell?
The cell wall
What contains chlorophyll and is responsible for photosynthesis?
The chloroplast
What stores excess food, waste, or any other material?
The vacuole
What gives the cell energy by breaking down food particles?
The mitochondria
What is the jellylike material that fills the cell and protects the organelles?
The cytoplasm
What takes the proteins made by the ribosomes and customizes them for the cell's use?
The golgi apparatus
What transports proteins and other materials throughout the cell?
The endoplasmic reticulum
