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lys-0071 [83]
3 years ago
15

Living organisms cannot use heat to provide the activation energy for biochemical reactions because

Biology
1 answer:
Otrada [13]3 years ago
7 0

Considering the following;


I. Heat is not readily available to all living cells.


II. Heat at excessive amounts denatures proteins.


III. Heat does not provide the activation energy for their reactions.


IV. When a critical temperature is reached, proteins no longer function


Answer;


I and IV


Explanation;


Living cells cannot use heat to provide the activation energy for biochemical reactions because heat is not readily available to all living cells and also when a critical temperature is reached, proteins no longer function.


Too much heat can kill an organism by rendering its organelles, cells, tissues and organs permanently inoperable and un-salvageable. The same process can be observed in tissues at low temperatures, and is the cause of frostbite. This is because enzymes are denatured by high temperature and inactivated by low.

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