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Robert Hooke
Anton Van Leeuwenhoek
Matthias Schleiden
Theodor Schwann
Rudolf Virchow and The Cell Theory
100
He observed cork under a microscope under thin slices of cork.
What lead Robert Hooke to the discovery of plant cells?
100
He committed himself to the discovery and research related to the thus-far invisible world of biology, notable among them the discovery of protozoa and the first-ever description of red blood cell.
Why was Leeuwenhoek called the father of Biology?
100
1838: Matthias Jakob Schleiden, a German botanist, concluded that all plant tissues are composed of cells and that an embryonic plant arose from a single cell. He declared that the cell is the basic building block of all plant matter. This statement of Schleiden was the first generalizations concerning cells.
What did Matthias Schleiden contribute to the cell theory?
100
His many contributions to biology include the development of cell theory, the discovery of Schwann cells in the peripheral nervous system, the discovery and study of pepsin, the discovery of the organic nature of yeast, and the invention of the term metabolism
What is the contribution of Theodor Schwann?
100
What are the three parts to the cell theory?
1) The cell is basic unit of life. 2) All living things are made up of one or more cell. 3) All cells come from other living cells.
200
However, Hooke became the first scientist to examine fossils using a microscope.
Was Hooke the first scientist to examine fossils using what tool?
200
The Microscope discovered by Leewenhoek acquired very strong magnifying glass which can be used to view micrscopic organisms.
What scientific instrument did Leewenhoek discover that lead to a better understanding of organisms that the unaided eye cannot see?
200
In 1839, Schleiden and Schwann worked together to detail the first two principles of cell theory; approximately 20 years later, Rudolf Virchow completed cell theory when he determined that cells only come from other pre-existing cells.
What is the contribution of Rudolf Virchow for cell theory?
300
Robert Hooke's Contribution was that he discovered the tiny box-like compartments while observing cork under a microscope which he named 'cells' meaning a small compartment. That was the first time when someone had the first glimpse of these microscopic things
What was Robert Hooke's greatest contribution to Biology?
300
Known as the Father of Microbiology." Leeuwenhoek is best known for his contribution to the improvement of the microscope and for his contributions towards the establishment of microbiology. Using his handcrafted microscopes, van Leeuwenhoek was the first to observe and describe single celled organisms that he first referred to as animalcules, and which we now refer to as microorganisms. He was also the first to record microscopic observations of bacteria, muscle fibers, microscopic nematodes and rotifers, spermatozoa, blood cells, and blood flow in capillaries (small blood vessels).
What is Leewenhoek best known for?
400
A compound microscope
What type of microscope did Hooke use?
500
The amount by which a spring extends is proportional to the force applied.
Define Hooke's law.