It gives them food to be able to grow
        
             
        
        
        
It is true that enzymes in the digestive tract catalyze hydrolysis reactions.  The reaction happens when a molecule of water is added to the amino acids that are already in the digestive tract. 
        
             
        
        
        
Answer: i think more animal
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Answer:
Active uptake (which I think you mean active transport) is important when the concentration gradient is against that of a certain substance, so it doesn't cross the membrane through diffusion or passive transport. It is sometimes necessary if a substance needs to move across a membrane but can't do so due to electrical charge or that there is a substance on the other side of the membrane preventing diffusion.
Explanation: