Q:
      
      
         
            
Movement of cell against concentration gradient is called
         
       
      
      
      
          
      
      
          Answer & Explanation
         Answer: A) active transport         
         
Explanation: The only transport method that can move species against their concentration gradient i.e, from low to high concentration is called Active transport.
 
Facilitated diffusion only moves species down their concentration gradient i.e, from high to low concentration.
       
      
      
      
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