Recent Examples of pollen grain from the Web
For example, a single corn plant produces 2 [million] to 5 million pollen grains, and an ear of corn has a few hundred seeds.
The peptides are the molecular signal that triggers the body’s immune system, so more peptides on a given pollen grain increases the severity of the allergy.
In 2000, there were about 8,000 pollen grains per meter cubed.
Bigelow has pulled cores from the bottom of lakes in Western Alaska to find pollen grains and bits of ancient plants.
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