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by Oliver Meckes EYE OF SCIENCE
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Purchase a tote bag featuring the photograph "Pollen And Pollen Tubes, Sem" by Oliver Meckes EYE OF SCIENCE. Our tote bags are made from soft, durable, poly-poplin fabric and include a 1" black strap for easy carrying on your shoulder. All seams are double-stitched for added durability. Each tote bag is machine-washable in cold water and is printed on both sides using the same image.
Pollen grains (orange) extend their pollen tubes (bright brown) on the stigma of a Ragweed (Ambrosia sp.) flower (white). This happens after the... more
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Pollen grains (orange) extend their pollen tubes (bright brown) on the stigma of a Ragweed (Ambrosia sp.) flower (white). This happens after the pollen has been delivered by by wind or insects. The tube acts as a conduit to transport the male gamete cells from the pollen grain from the stigma to the ovules at the base of the pistil. These pollen tubes enable the sperm to pass through and thus fertilize the female ovules. Scanning electron microscope, 20001 (when 15cm wide).
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