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en.wikipedia.org/wiki/Cell_theory

In biology, cell theory is a scientific theory which describes the properties of cells. These cells ... The discovery of the cell was made possible through the invention of the microscope. In the first century BC, Romans were able to make glass, ...

quizlet.com/16981601/scientists-who-contributed-to-the-cell-theory-flash-cards

Scientists who created the cell theory and the three parts of the cell theory Learn with flashcards, games, and more — for free.

www.reference.com/science/came-up-cell-theory-c06cf860b6c3546d

The cell theory, which is comprised of three different but related elements, was discovered and developed by Matthias Schleiden, Theodor Schwann and ...

bitesizebio.com/166/history-of-cell-biology

The cell theory, or cell doctrine, states that all organisms are composed of similar ... While the invention of the telescope made the Cosmos accessible to human ...

www.saylor.org/site/wp-content/uploads/2010/11/Wiki-Cell-Theory.pdf

fundamental tenets of modern cell theory by declaring that "The cell is the fundamental element of ... New cells are created by old cells dividing into two.

www.softschools.com/timelines/cell_theory_timeline/96

Before 330+ years ago, there was no knowledge of cells. Cells were too small to be seen. But with the invention of the microscope, an entirely new world was ...

study.com/academy/lesson/the-development-of-cell-theory.html

Cell theory is a fundamental theory in biology that makes generalizations about ... This invention provided a way to examine items up close and see things that ...

www.smithlifescience.com/celltheory.htm

The study of cells started about 330 years ago. Before that time cells escaped notice because of their small size. With the invention of the microscope and its ...

www.boundless.com/biology/textbooks/boundless-biology-textbook/cell-structure-4/studying-cells-58/cell-theory-311-11444

"All cells only arise from pre-existing cells. "The parts of the theory that did not have to do with the origin of cells, however, held up to scientific scrutiny and are ...

www.britannica.com/science/cell-theory

cell theory: ... ...in speculating on the origins of life without divine intervention, for instance, he foreshadowed the evolutionary theories of Charles Darwin and put ...