Fundamental unit of life

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What are eukaryotic cells?

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Eukaryotic cells are complex cells that contain a nucleus and organelles, and are found in animals, plants, fungi, and protists.

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What are prokaryotic cells?

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Prokaryotic cells are simpler, unicellular organisms that lack a nucleus and membrane-bound organelles, such as bacteria.

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What is a unicellular organism?

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A unicellular organism is an organism that consists of a single cell, such as bacteria and some protists.

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What is a multicellular organism?

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A multicellular organism is made up of multiple cells that work together, such as humans, plants, and animals.

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What is cell theory?

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Cell theory is a fundamental concept in biology that states: 1) All living organisms are composed of cells, 2) The cell is the basic unit of life, and 3) All cells arise from pre-existing cells.

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What is the shape of an amoeba?

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An amoeba has an irregular or variable shape, allowing it to change form as it moves.

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What is a compound microscope?

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A compound microscope is an optical instrument that uses multiple lenses to magnify small objects, allowing for detailed observation of cells.

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What is the function of the nucleus in eukaryotic cells?

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The nucleus serves as the control center of the cell, housing the cell's genetic material (DNA) and regulating gene expression.

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What are organelles?

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Organelles are specialized structures within a cell that perform distinct functions, such as mitochondria for energy production and ribosomes for protein synthesis.

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What is the difference between plant and animal cells?

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Plant cells have a cell wall, chloroplasts for photosynthesis, and large central vacuoles, while animal cells do not have these structures.