Meter is the SI unit for length. :)
Explanation:
eukaryotic glycocalyx is present in prokaryotic cells, eukaryotic cells can also have glycocalyces especially single celled eukaryotic organisms.
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Effects that scientists had predicted in the past would result from global climate change are now occurring: loss of sea ice, accelerated sea level rise and longer, more intense heat waves.
When it triggers an abnormal or vigorous immune responce, treating the antigen that would normally cause no threat as something harmful.