16 Questions
Who made the first compound microscope in 1590?
Zacharias Janssen
What did Robert Hooke describe when he examined thinly sliced cork under the microscope?
Small rectangular compartments which he called cellulae
Who concluded that 'all cells arise from cells' and that the cell was the basic unit of life?
Rudolf Virchow
In what year did Anton van Leeuwenhoek examine pond water sample and see living organisms?
1676
What conclusion did Theodore Schwann come to in 1839?
'All cells arise from cells' and that the cell was the basic unit of life
What was the primary contribution of Matthias Schleiden to the cell theory?
Determined that all living plant tissue was composed of cells
What is the basic unit of life in all living things according to the Cell Theory?
Cell
Which organelle is known as the 'POWERHOUSE' of the cell?
Mitochondria
Where is the site of ribosomal RNA (rRNA) synthesis in the cell?
Nucleolus
In which organelle are proteins modified, packaged, and sorted for transport to other organelles or secretion?
Golgi complex
What is the function of lysosomes in animal cells?
Digestive enzymes
Which organelle regulates movement of materials in and out of the cell and helps maintain cell shape?
Plasma Membrane
Which statement accurately describes the Endoplasmic Reticulum (ER)?
Lipid synthesis; Drug detoxification
What do plastids produce and store in cells of plants?
'Food materials'
What is the function of ribosomes in the cell?
Protein synthesis
What structures contain genes that govern the structure and activity of the cell?
Chromosomes
Test your knowledge of cell theory, cell structure, and early microscopy observations with this quiz. Explore the contributions of Zacharias Janssen and Robert Hooke to the field of microscopy.
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