SCIENCE
CELL BIOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Robert Hooke.
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Anton van Leewenhoek.
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Rudolf Virchow.
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Schleiden and Schwann.
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All of the above.
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Detailed explanation-1: -Schleiden, Schwann and Virchow contributed to the formation of cell theory. It states that: All living beings are made up of one or more cells. Cells are the basic structural and functional units of life.
Detailed explanation-2: -Credit for developing cell theory is usually given to three scientists: Theodor Schwann, Matthias Jakob Schleiden, and Rudolf Virchow. In 1839, Schwann and Schleiden suggested that cells were the basic unit of life. Their theory accepted the first two tenets of modern cell theory (see next section, below).
Detailed explanation-3: -The three tenets of the cell theory are: All living organisms are composed of one or more cells. The cell is the basic unit of structure and organization in organisms. Cells arise from pre-existing cells.
Detailed explanation-4: -All living things are composed of cells. Cells are the basic units of structure and function for living things. All cells come from pre-existing cells. Also, organisms grow by “adding on more cells” NOT by increasing the size of their cells.