Cells & Cell Theory

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What is the cell theory?

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The cell theory states that: 1) All living organisms are made of cells, 2) Cells are the basic unit of structure and function in living things, 3) All cells come from preexisting cells.

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Who is credited with the development of the cell theory?

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The cell theory was developed by multiple scientists, including Schleiden, Schwann, and Virchow, not just Hooke.

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What do all cells have in common?

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All cells have a cell membrane, cytoplasm, and can reproduce through cell division.

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What is the basic unit of life?

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The cell is the basic unit of structure and function in all living organisms.

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How do cells reproduce?

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Cells reproduce by undergoing a process called cell division.

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What determines the size of an organism?

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The size of an organism is determined by the number of cells it has, not the size of the individual cells.

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What is cytoplasm?

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Cytoplasm is the jelly-like substance within a cell that contains organelles and is where many cellular processes occur.

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What is a cell membrane?

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The cell membrane is a protective barrier that surrounds the cell, controlling what enters and exits.

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What are organelles?

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Organelles are specialized structures within a cell that perform specific functions, such as the nucleus, mitochondria, and ribosomes.

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What is the function of the nucleus?

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The nucleus is the control center of the cell, containing genetic material (DNA) and regulating cell activities.