Introduction to Cell Biology Flashcardizz

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What is a prokaryotic organism?

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A prokaryotic organism is a single-celled organism that lacks a nucleus and other membrane-bound organelles. Examples include bacteria.

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What is the function of the nucleus in a cell?

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The nucleus is known as the 'control center' of the cell because it contains the cell's genetic material (DNA) and regulates gene expression.

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What does the theory of biogenesis state?

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The theory of biogenesis states that life arises from pre-existing life, meaning living organisms come from other living organisms.

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What is the basic unit of life?

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The basic unit of life is the cell, which is the smallest structural and functional unit of an organism.

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Where is genetic material (DNA) located in a cell?

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The genetic material (DNA) is located in the nucleus of the cell.

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What are the main differences between prokaryotic and eukaryotic cells?

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Prokaryotic cells lack a nucleus and membrane-bound organelles, while eukaryotic cells have a nucleus and organelles.

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What is the role of mitochondria in a cell?

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Mitochondria are known as the 'powerhouses' of the cell because they produce energy (ATP) through cellular respiration.

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What is the function of ribosomes?

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Ribosomes are responsible for protein synthesis in the cell.

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What is the cell membrane?

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The cell membrane is a protective barrier that surrounds the cell, controlling the movement of substances in and out.

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What is the cytoplasm?

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Cytoplasm is the jelly-like substance within the cell membrane that contains organelles and is the site of many cellular processes.

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