Answer:
The correct answer is carbohydrate chain.
Explanation:
Plasma membrane contain three types of protein  a peripheral protein b transmembrane protein and c GPI anchored protein.
     Some membrane protein basically peripheral proteins contain oligosaccharide chain arranged towards the extracellular region of the plasma  membrane with respect to the surface of that glycoprotein.
    The oligosaccharide chain of glycoprotein play an important role in to identify signals from outside the cell.These signals may include the entry of virus particles inside our body,protein targeting etc.
 
        
             
        
        
        
Plastics are made from non-renewable and non-biodegradable materials and are difficult to convert to environmentally friendly substances. As a result, the organisms and their habitat are facing danger that might lead to destruction, scarcity of food resources, and even death. 
 
        
             
        
        
        
Answer:
DNA fragments are negatively charged so the more for the positive electrode because all DNA fragments of the same amount of charge per mass does smart pigments move through the gel faster than large one