Podcast
Questions and Answers
Who was the first scientist to use the term 'cell' to describe cells?
Who was the first scientist to use the term 'cell' to describe cells?
- Robert Brown
- Rudolph Virchow
- Theodore Schwann
- Robert Hooke (correct)
What did Anton Van Leeuwenhoek contribute to the study of cells?
What did Anton Van Leeuwenhoek contribute to the study of cells?
- He built over 500 microscopes and observed microscopic organisms. (correct)
- He discovered the nucleus.
- He established the cell theory.
- He theorized that cells originate from the inside out.
Which statement is NOT part of the cell theory?
Which statement is NOT part of the cell theory?
- Cells come from pre-existing cells.
- Cells can be created spontaneously from non-living matter. (correct)
- Cells are the basic unit of life.
- All living things are composed of one or more cells.
Which scientist is known for first using the term nucleus?
Which scientist is known for first using the term nucleus?
What did Mathias Schleiden contribute to cell biology?
What did Mathias Schleiden contribute to cell biology?
What concept did Rudolph Virchow challenge with his statement about cells?
What concept did Rudolph Virchow challenge with his statement about cells?
What is the correct order of biological organization from cells to organisms?
What is the correct order of biological organization from cells to organisms?
Flashcards
Robert Hooke
Robert Hooke
English scientist who first used the term "cell" to describe cells while observing cork in 1660.
Anton Van Leeuwenhoek
Anton Van Leeuwenhoek
Dutch scientist who discovered microscopic organisms in 1675. He built over 500 microscopes and observed single-celled organisms, but incorrectly believed they arose from non-living matter.
Robert Brown
Robert Brown
Scottish physician who first used the term "nucleus" to describe a key structure within cells in the 1830s.
Mathias Schleiden
Mathias Schleiden
German botanist who proposed that cells are the basic units of plants in the mid-19th century.
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Theodore Schwann
Theodore Schwann
German physiologist who compared animal cells to plant cells, furthering the understanding of cell structure and function.
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Rudolf Virchow
Rudolf Virchow
German physician who stated that all cells come from pre-existing cells, contradicting spontaneous generation and solidifying the concept of continuous life.
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Cell Theory
Cell Theory
A fundamental principle in biology that describes the essential nature of cells as the building blocks of all living things. Composed of three main points.
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Cell Theory Pioneers
- Robert Hooke: English scientist who first used the term "cell" to describe cells, observed cork in 1660.
- Anton van Leeuwenhoek: Dutch scientist, major contributor to microscopes. Observed single-celled organisms (animalcules) around 1675.
- Robert Brown: Scottish physician, introduced the term "nucleus" in the 1830s.
- Matthias Schleiden: Noted that cells are the basic units of plants.
- Theodore Schwann: Compared animal cells to plant cells.
- Rudolph Virchow: Stated all cells come from pre-existing cells, challenging spontaneous generation.
Cell Theory
- Cells are the fundamental unit of all living things.
- All living things are made of one or more cells.
- Cells are the smallest unit with the characteristics of life.
- Cells arise from pre-existing cells.
Cellular Organization
- Cells → Tissues → Organs → Organ Systems → Organisms
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