Showing posts with label TOPIC 7. Show all posts
Showing posts with label TOPIC 7. Show all posts
Wednesday, 28 May 2025
Tuesday, 27 May 2025
Thursday, 22 May 2025
Tuesday, 20 May 2025
Sunday, 18 May 2025
Wednesday, 14 May 2025
Tuesday, 13 May 2025
Tuesday, 21 May 2024
Friday, 17 May 2024
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Wednesday, 10 April 2024
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Monday, 11 March 2024
Friday, 8 March 2024
Tuesday, 14 February 2023
Thursday, 9 February 2023
3. How big is a cell?
The head of
a pin is about 2mm in diameter. Use this animation to compare the relative
sizes of cells and organisms sitting on a pinhead. Nearly invisible without
magnification, dust mites dwarf pollen grains and human cells. In turn,
bacteria and viruses are even smaller.
Wednesday, 8 February 2023
Sunday, 5 February 2023
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