17 Questions
Who was the English scientist who first described and named the cell in 1665?
Robert Hooke
What did Robert Hooke observe in cork that led him to coin the term 'cells'?
Little boxes
Who is credited with creating a powerful microscope and discovering single-celled organisms in pond water?
Anton van Leeuwenhoek
What is the function of the central vacuole in plant cells?
Storage area for water, sugars, ions, amino acids, and wastes
What term did Anton van Leeuwenhoek use to describe the single-celled organisms he observed in pond water?
Animalcules
What is the structure of the cell wall in plant cells?
Made of cellulose and other polysaccharides
Who discovered the nucleus in a cell and observed the Brownian motion of pollen grains?
Robert Brown
Why is the central vacuole important for plant cells?
Increases cell’s surface area for transport of substances
Which botanist concluded that all plants are made of cells in 1838?
Matthias Schleiden
What is the function of the tonoplast in plant cells?
Membrane covering the vacuole
Which type of cells have a cell wall?
Plant, bacterial, fungus, and some protists
What is the function of elaioplasts in plant cells?
Stores fats
What is the Cell Theory?
The Cell Theory states that all living things are composed of one or more cells, cells are the basic units of structure and function in an organism, and cells come only from existing cells.
Who coined the phrase 'Omnis cellula e cellula' and what does it mean?
Rudolph Virchow coined the phrase, and it means 'All cells are from other pre-existing cells.'
What is the significance of the size of cells?
Cell size is limited, with most cells being microscopic and measured in micrometers (μm).
Provide examples of different types of cells.
Examples include Amoeba proteus, Plant Stem cells, Bacteria, Red Blood Cells, and Nerve Cells.
What are the two main types of cells based on structure?
The two types are Prokaryotic cells and Eukaryotic cells.
Learn about the different parts of a cell, their functions, and various transport processes. Explore the history of cell discovery and the development of the cell theory, including the contributions of Robert Hooke.
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