Multiple Choice
Which of the following scientist was the first to observe blood cells using a microscope?
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1. Overview of Cell Biology
History of Cell Biology
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Who speculated that cells are living entities and that plants are aggregates of cells?
A
Theodor Schwann
B
Matthias Schleiden
C
Anton van Leeuwenhoek
D
Robert Hooke
Verified step by step guidance1
Understand the historical context of cell theory development. The cell theory was developed in the 19th century and involved contributions from multiple scientists.
Review the contributions of each scientist mentioned in the problem: Theodor Schwann, Matthias Schleiden, Anton van Leeuwenhoek, and Robert Hooke.
Recall that Matthias Schleiden was a botanist who proposed that plants are composed of cells, emphasizing that cells are the fundamental units of life in plants.
Differentiate Schleiden's work from Theodor Schwann, who extended the cell theory to animals, and Robert Hooke, who first observed cells in cork but did not speculate on their living nature.
Conclude that Matthias Schleiden is the scientist who speculated that plants are aggregates of cells and that cells are living entities.
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