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cell theory
Question | Answer |
---|---|
Robert Hooke | The first scientist to describe what he saw as “cells” when viewing samples of cork under the microscope in 1665. |
Matthias Schleiden | viewed living plant specimens under the microscope and discovered they were made up of cells. |
Theodor Schwann | viewed nonliving animal parts under a microscope and realized that they, too were made up of cells. |
Rudolf Virchow | witnessed cell division under the microscope and learned that all cells arise from preexisting cells. |
what are the 3 parts of the cell theory? | All living things are made of cells. Cells are the basic unit of structure and function of life. Cells come from preexisting cells. |
Eukaryotic cells | Defined by having a nucleus. • Defined by having complex organelles. • Plant and animal cells. |
Prokaryotic cells | unicellular organisms that lack organelles or other internal membrane-bound structures . Therefore, they do not have a nucleus |
what types of cells has DNA in it? | in both types of cells |
what types of cells has A cell membrane in it? | both |
what types of cells has a nucleus in it? | Eukaryotic |
what types of cells is unicellular? | Prokaryotic |
what types of cells contain Ribosomes? | both |
what types of cells have a Cytoplasm in it? | both |
what types of cells has complex organelles? | Eukaryotic |