Ans.
Cognitive development is defined as the making-up of thought processes, such as decision-making, problem solving, and remembering processes, from childhood to adulthood through adolescence.  
The approach of cognitive development, which includes the goal to understand the human thinking by study of encoding, recovery, and storage of information, is known as information processing. 
Thus, 'Dr. Marquette has take information processing approach of cognitive development in her studies.' 
 
 
        
             
        
        
        
I think it's A
the cell membrane contain protein molecules 
        
             
        
        
        
Answer: D. Surgical removal of a gland. 
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