1. The invention of magnifying lenses led to the discovery of microorganisms and cells, revolutionizing biology. It allowed scientists to observe and understand the microscopic world, revealing the complexity and diversity of life at a cellular level.

    The invention of magnifying lenses led to the discovery of microorganisms and cells, revolutionizing biology. It allowed scientists to observe and understand the microscopic world, revealing the complexity and diversity of life at a cellular level.

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  2. The basic building units of the onion bulb are called cells. These cells can be observed under a microscope and are fundamental to the structure and function of the onion, showcasing the cellular organization of plant tissues.

    The basic building units of the onion bulb are called cells. These cells can be observed under a microscope and are fundamental to the structure and function of the onion, showcasing the cellular organization of plant tissues.

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  3. All cells come from pre-existing cells through the process of cell division. In this process, a single cell divides to form two new cells, ensuring the continuity of life and the transmission of genetic information from one generation to the next.

    All cells come from pre-existing cells through the process of cell division. In this process, a single cell divides to form two new cells, ensuring the continuity of life and the transmission of genetic information from one generation to the next.

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