Answer:
A. It decreases the activation energy needed to start the reaction
Explanation:
Organic catalyst which speed up the rate of organic chemical reaction is living cells are called enzymes.They have specific reaction site called active sites.This must be in prefect shape with the substrate for the organic chemical reaction to take place
When this occurs the minimum amount of  energy of  reaction to  activate or stimulate  the the atoms and molecules of the substrate to undergo chemical reaction is  lowered.This energy of reaction is celled activation energy.
Catalase thought its active sites lowers the activation energy so that the molecules of H2O2 could break down to C02 and H2 faster,thereby reducing the time for theses product to form.The is the general roles of enzyme.To increase the rate of chemical reaction,by reducing the activation  energy.
 
        
             
        
        
        
A blue dye blinds to protin and changes colour.
        
             
        
        
        
I think the answer is C because at the first the DNA shows the copies of itself when it replicate n then it transcripts n transfer the coded message for protein synthesis from DNA onto mRNA n then it translates From the cytoplasm wher the RNA enters when it translate the part of protein synthesis from the time of amino acids are assembled in a particular sequence...The transcription happens from a nucleus
        
                    
             
        
        
        
Answer:
its like a quadrant.
Explanation:q4 ,same thing but negative.
 
        
             
        
        
        
The answer is the second choice