THE CELL
CELL THEORY
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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All living things are made of cells.
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Cells can form from decaying matter.
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Cells come from pre-existing cells.
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Cells are the basic unit of structure and function in organisms.
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Detailed explanation-1: -Before the Cell Theory, spontaneous generation was a widely accepted idea. Spontaneous generation was the idea that living things could be produced by non-living things. Which part of the cell theory BEST contradicts spontaneous generation? All living things are made of cells.
Detailed explanation-2: -The cell theory states that all living organisms are made up of structural and functional units called cells and new cells can arise only from preexisting cells. The spontaneous generation theory on the other hand, states that living organisms arise from nonliving matter.
Detailed explanation-3: -Spontaneous Generation These ideas weren’t possible for many reasons, one being the fact that only cells can give rise to living organisms. The fact that only cells are able to produce more cells is part of cell theory.
Detailed explanation-4: -Before the cell theory existed, people had a very different view of biology. Many believed in spontaneous generation, the idea that living organisms can arise from nonliving matter. An example of this would be a piece of rotten meat creating flies because flies often appear around rotten meat.
Detailed explanation-5: -Cell division forms the new cells from pre-existing cells replaced the concept of spontaneous generation, where cells were formed from inanimate matter.