Cell Theory & Pro vs Eu Review

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What is the Cell Theory?

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Cell Theory states that: 1) All living things are composed of one or more cells, 2) The cell is the basic unit of life, and 3) All cells arise from pre-existing cells.

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What are Prokaryotic cells?

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Prokaryotic cells are simple, single-celled organisms that lack a nucleus and membrane-bound organelles. All bacteria are prokaryotic.

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What are Eukaryotic cells?

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Eukaryotic cells are complex cells that contain a nucleus and membrane-bound organelles. They can be single-celled or multicellular.

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What is the function of Mitochondria?

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Mitochondria are known as the powerhouse of the cell; they convert energy from food into ATP through cellular respiration.

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What is the function of Chloroplasts?

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Chloroplasts are organelles found in plant cells that conduct photosynthesis, converting light energy into chemical energy.

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What is cohesion in the context of capillary action?

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Cohesion is the attraction between molecules of the same substance, which helps water molecules stick together.

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What is adhesion in the context of capillary action?

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Adhesion is the attraction between molecules of different substances, which helps water molecules stick to the walls of a container.

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What did Schleiden contribute to cell theory?

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Matthias Schleiden proposed that all plants are made of cells, contributing to the understanding that all living things are composed of cells.

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What did Schwann contribute to cell theory?

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Theodor Schwann proposed that all animals are made of cells, further supporting the idea that all living things are composed of cells.

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What is a characteristic of Eukaryotic cells?

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Eukaryotic cells have membrane-bound organelles, which are not present in prokaryotic cells.