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What is 1 + 3?
What is the basic unit of all living organism?
Where do cells come from?
other living cells
Contrast plant and animal cell
Plant cell has larger, fewer vacuoles; a cell wall; chloroplasts. Animal cell has smaller, more vacuoles; no cell wall; no chloroplasts
True or False. Cells can be different shapes.
True or False. Cells cannot have different functions.
True or False. Cells reproduce in order to repair tissue and help an organism grow.
Where are chromosomes found in the cell?
in the NUCLEUS
The nucleus is...
the brain of the cell; directs all cell activities; controls all life processes.
The nuclear membrane...
protects the nucleus; controls all things that go in and out of the nucleus.
The cell membrane...
protects the inside of a cell; controls all things that go in and out of the cell.
The cell wall...
protects and supports the PLANT cell; gives the cell a box-like shape.
holds organelles; where most activities take place.
Mitochondria is the...
powerhouse of the cell; makes energy for the cell.
chlorophyll; where food is made in the PLANT cell.
store food, water and waste.
Explain the movement of molecules during diffusion.
Molecules move from crowded to less crowded areas through the cell membrane.
Explain the movement involved in osmosis.
Osmosis is the movement of water across the cell membrane.