The statement Bonds in the hydrogen peroxide are weakened in catalase's active site, allowing the chemical reaction to occur is the answer. Catalase is an enzyme in the liver that breaks down harmful hydrogen peroxide into oxygen and water. 
        
             
        
        
        
Answer:
B
Explanation:
The folds contain ribosomes attached to the membrane. The more the folds the more the surface area to which more ribosomes can attach. The ribosomes are organelles responsible for the manufacture of protein in cells. Thereafter, the proteins are properly folded by the mediation of chaperones in the lumen of the RER.
 
        
             
        
        
        
Answer:
Yes
Explanation:
No matter what age, trees still give out oxygen. It may not be the same amount as an older tree, but it still has the same effect.
 
        
             
        
        
        
There are  around 640<span> to </span>850 muscles in human body and they can be categorized in three main groups: <span>skeletal, visceral, and cardiac. </span><span>
The muscles that extend the forearm are located </span>posteriorly. These are the muscles located on the back.