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Mitochondria have their own DNA ā evidence they were once independent bacteria absorbed by early cells.
Did you know?
Mitochondria have their own DNA ā evidence they were once independent bacteria absorbed by early cells.
Pollen grains can be stored for several years in liquid nitrogen having a temperature of
-196
-80
-120
-160
To solve this problem, we need to determine the temperature at which pollen grains can be stored for several years in liquid nitrogen.Liquid nitrogen is commonly used for cryopreservation due to its extremely low temperature, which helps in preserving biological samples by slowing down all biological processes.Liquid nitrogen has a boiling point of approximately -196C.At this temperature, biological samples, including pollen grains, can be stored for extended periods without degradation.
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