Carbohydrate
What is the cause of the genetic disease known as Galactosemia?

Absence of galactose 1-P uridyl transferase
Absence of lactose synthetase
Non functioning of semnase
Deficiency in lactase

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Carbohydrate
When living organisms are cooled below some critical body temperature, the metabolic reactions within their cells cease to function properly. This malfunction occurs because

enzyme active sites become permanently bound to substrates
there is insufficient molecular motion for substrates to interact
the activation energy for the reaction is raised
their enzymes lose the proper three-dimensional shape

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