1.

We know that Beta clamp in bacteria has two subunits and takes the shape of a ring. Which of this will be characteristic of PCNA which is a beta clamp homologue for eukaryotes?

A. Two subunits forming ring
B. Three subunits forming ring
C. Four subunits forming figure 8 like structure
D. Four subunits forming a larger ring
Answer» C. Four subunits forming figure 8 like structure


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