人免疫缺陷病毒的复制周期 and fusion Immune stimulus Internalize and uncoating HIV exits b viral budding Steps show SSRNA molecules one strand Early SsDNA y of viral DNA Complete ssDNA Cytoplasm Early dsDNA Complete dsDNA c Translation of mRNA viral genes iption of viral DNA Provirus HIV-1 integrase inser Gene expressIo Host DNA ascription fac Nucleus人免疫缺陷病毒的复制周期