20. Single-stranded DNA-binding proteins (SSBs) are:
(A) substrates for DNA ligases.
(B) supercoil stabilizing bodies.
(C) single-stranded bodies called Okazaki fragments.
(D) single-stranded DNA binding proteins that prevent re-annealing.
(E) nucleases that hydrolyze single-stranded RNA primers.
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題目解析 這道題目考察的是單鏈DNA結...
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