CELLS AND CELL THEORY

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What is the Cell Theory?

Back

The Cell Theory states that all living things are made of cells, cells are the basic unit of life, and all cells come from pre-existing cells.

Front

Who is known for concluding that all living things are made of cells?

Back

Theodor Schwann.

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What type of cells have a nucleus?

Back

Eukaryotic cells.

Front

What is the function of the nucleus in a cell?

Back

The nucleus contains the cell's genetic material (DNA) and controls many of the cell's activities.

Front

Who was the first to observe bacteria?

Back

Anton van Leeuwenhoek.

Front

What are prokaryotic cells?

Back

Prokaryotic cells are simple, single-celled organisms that do not have a nucleus or membrane-bound organelles.

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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 role of ribosomes in a cell?

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Ribosomes are responsible for protein synthesis in the cell.

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What is the difference between eukaryotic and prokaryotic cells?

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Eukaryotic cells have a nucleus and membrane-bound organelles, while prokaryotic cells do not.

Front

What is cytoplasm?

Back

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