12 Questions
What is the fundamental structural and functional unit of all living beings?
Cells
Who was the scientist credited with constructing the first microscope?
Antony van Leeuwenhock
What is the lifespan of red blood cells mentioned in the text?
120 days
Which part of an organism is composed of hundreds of thousands of cells?
Skin
What feature do all living organisms have in common?
Made up of cells
What is the main difference between an electron microscope and an ordinary compound microscope?
The source of light
Which scientist made microscopic observations as a hobby?
Patch.scientist
Why did Robert Hooke refer to the structures he observed in cork as 'cells'?
Because they had box-like compartments
How does the magnification capability of an electron microscope compare to that of an ordinary compound microscope?
Electron microscopes have a higher magnification
What was the significant improvement in design seen in the modern compound microscope compared to Hooke's original design?
Use of oil for better visualization
Why did Hooke compare the structures in cork to cells of monks in a monastery?
Because of their small compartments
What is the key difference in the method of achieving magnification between an electron microscope and an ordinary compound microscope?
Use of beams of electrons or light bent by magnets
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