This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Replication, Subject name: Biochemistry
Primase activity is present in 
Select and explain. 
A. DNA polymerase II, B. DNA polymerase a, C. DNA polymerase b, D. DNA polymerase d
B: DNA polymerase a
Answer: B: DNA polymerase a 
Explanation: DNA polymerase alpha also known as Pol a is an enzyme complex found in eukaryotes that is involved in initiation of DNA replication Comparison of Prokaryotic and Eukaryotic DNA Polymerases (see treasure)