The following are the reasons why the Tuli breed would be
superior to exotic breeds:
 
Tuli breed was augmented in Zimbabwe.<span>
<span>Tuli has a range of colors and has a short coat.
Cross-breeding is suitable for the Tuli breed.</span>
Surviving in harsh climatic conditions are Tuli’s assets.</span>
Tuli’s
yield is very high.
<span>Sustaining
the arid climate is their forte.</span>
 
        
             
        
        
        
Answer:
Catalysts lower the activation energy for reactions. The lower the activation energy for a reaction, the faster the rate. Thus enzymes speed up reactions by lowering activation energy. Many enzymes change shape when substrates bind.
Explanation:
 
        
                    
             
        
        
        
Answer:
(c) Mechanical gated 
Explanation:
Mechanical gated channels are controlled by mechanical forces applied to the channel, this happens when a distortion of the cell membrane causes a deformation on the membrane channels and thus they change their conformation in order to star or stop the exchange of some molecules.