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9 bio 12/1

bio 9th grade cell theory

QuestionAnswer
What were Robert Hooke's achievements He discovered the exsistance of cells by looking at a thin slice of cork under a microscope
What did Robert Brown discover? He discovered the nucleus
Matthais Schleiden and Theodor Schwann expirimented to see what? Tested to see which living things have cells. concluded that only plants and animals do.
What di Rudolph Virchow study? He studied cell reproduction and concluded that every cellcomes from another cell
What are the three parts of the Cell Theory? 1. All living things are made up of one or more cells 2.Cells are the basic unit of life(organisms are able to function because of their cells) 3.All cells come from pre-existing cells
What is the problem with the cell theory? What are the exeptions? If all cells come from pre-existing cells where did the first cell come from? Exceptions- Viruses are not made of cells does not grow 2. Mitochondria and chloroplast-have own DNA and replicate selves
Created by: rachelif95
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