function at any pH level heat released as a product use only anaerobic respiration amount of energy absorbed
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: Life processes require energy. Biochemical processes involve specific reactions. Which is a characteristic of biochemical processes common to all animals?
Possibilities:
- function at any pH level
- heat released as a product
- use only anaerobic respiration
- amount of energy absorbed

heat released as a product