这个词是什么意思？
A DNA-dependent DNA polymerase characterized in prokaryotes and may be present in higher organisms. It has both 3'-5' and 5'-3' exonuclease activity, but cannot use native double-stranded DNA as template-primer. It is not inhibited by sulfhydryl reagents and is active in both DNA synthesis and repair.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D004256 · MeSH 2026。
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