question_answer 3)

From what you have learnt, can you tell, whether enzymes are bigger or DNA is bigger in molecular size? How did you know? 

Answer:

DNA is bigger in size. The molecular weight of DNA in prokaryotes is  (E. coli) and molecular weight of DNA in eukaryotes is  (humans). Molecular weight of enzymes varies from 10,000 to 1 million. Thus DNA is bigger in molecular size.