Respuesta :
Since you did not give a list of choices,here are some reasons why living cells cannot use heat to provide the activation energy for biochemical reactions:
>Heat can never be used to do work.
>Heat is not readily available to all living cells.
>Heat doesn't provide the activation energy for their reactions.
>Heat can never be used to do work.
>Heat is not readily available to all living cells.
>Heat doesn't provide the activation energy for their reactions.
Answer: B) answer choices II and IV
Explanation:
heat at excessive amounts denatures proteins
When a critical temperature is reached proteins no longer function