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Which is a part of the cell theory?

A. Cells come from pre-existing cells.
B. Cells have a nucleus.
C. Organisms with one cell must be seen with a microscope.
D. Organisms must have more than one cell to live.



Answer :

Final answer:

The Cell Theory posits that all living things are composed of cells, where cells carry out life functions and originate from pre-existing cells.


Explanation:

The Cell Theory states that all living things are made up of cells, with all life functions occurring within cells, and all cells come from pre-existing cells. For example, organisms such as plants and animals develop from a single cell, and even complex organisms like humans begin life as a single cell.

Through observations with microscopes, it was discovered that living organisms possess structurally similar cells. This led to the Cell Theory, which asserts the fundamental principles of cell organization and reproduction. This theory plays a crucial role in understanding the foundation of life and the continuity of living organisms.

The Cell Theory also emphasizes that cells are the basic units of structure and function in all living organisms, highlighting the vital role cells play in the existence and processes of life. It underscores the concept that all cells in an organism originate from previously existing cells, providing insights into the origins and development of living organisms.


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https://brainly.com/question/18036160


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