Multiple Choice
Which of the following is not a part of the cell theory?
1. Overview of Cell Biology
History of Cell Biology
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Which of the following scientist was the first to observe blood cells using a microscope?
A
Robert Hooke
B
Anton van Leeuwenhoek
C
Matthias Schleiden
D
Theodor Schwaan
Verified step by step guidance1
Understand the context: The question is about the history of cell biology and the use of microscopes to observe cells.
Identify the key figures: The options provided are Robert Hooke, Anton van Leeuwenhoek, Matthias Schleiden, and Theodor Schwann.
Recall historical contributions: Robert Hooke is known for coining the term 'cell' after observing cork cells. Anton van Leeuwenhoek is credited with being the first to observe and describe single-celled organisms, including blood cells, using a microscope.
Consider the timeline: Anton van Leeuwenhoek's observations occurred in the late 17th century, which predates the work of Schleiden and Schwann, who contributed to cell theory in the 19th century.
Conclude based on historical evidence: Given the historical context and contributions, Anton van Leeuwenhoek was indeed the first to observe blood cells using a microscope.
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