This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Biochemistry
True about DNA polymerase in eukaryotesa) Components are α, β, γ, δ, εb) β associated with repairc) γassociated with repaird) Δ associated with synthesis of mitochondria DNAe) Alpha is abundant amount 
Select and explain. 
A. ac, B. ab, C. ad, D. bc
B: ab
Answer: B: ab 
Explanation: There are 5 types of DNA polymerases in eukaryotes α, β, γ, δ and ε.
DNA repair is done by DNA β and mitochondrial DNA synthesis involves DNA- γ