[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fdzrxAyhacBaSJXodKTvT-emBuSY4RP_GUdvhkcnpvQQ":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":24,"type":25},[],"2024-11-19 17:40:50",166523018,[8,9,10,11],"adenine","cytosine","guanine","thymine",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},10,"235a23809d7a3b49f330f55edac96481","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F854f652ca9c950bd44843f06eb67a179.png","生物学专业外语","5563b0bc78ed4831a731921df9bb665e","T5","A purine base that is an essential constituent of the nucleic acids and also of such coenzymes as NAD and FAD.( )",[21,26,33,42,48,54,60,65,70,78],{"answer":22,"createTime":5,"id":6,"options":23,"question":19,"source":24,"type":25},[],[8,9,10,11],"v1",0,{"answer":27,"createTime":28,"id":29,"options":30,"question":32,"source":24,"type":25},[],"2024-11-19 17:40:51",166523019,[8,9,10,31],"pyrimidine","nullA single-ring nitrogenous base molecule in DNA and RNA. It is complementary to guanine. ( )",{"answer":34,"createTime":35,"id":36,"options":37,"question":41,"source":24,"type":25},[],"2025-11-14 12:02:36",166523020,[38,10,39,40],"purine","DNA polymerase","nucleoside","An enzyme that brings new DNA triphosphate nucleotides into position for bonding on another DNA molecule. ( )",{"answer":43,"createTime":35,"id":44,"options":45,"question":47,"source":24,"type":25},[],166523021,[31,38,46,40],"DNA double helix 双螺旋","The three-dimensional structure of doublestranded DNA. ( )",{"answer":49,"createTime":50,"id":51,"options":52,"question":53,"source":24,"type":25},[],"2024-11-19 17:40:52",166523022,[38,10,31,40],"nullA double-ring nitrogenous base molecule in DNA and RNA. It is the complementary base of cytosine. ( )",{"answer":55,"createTime":56,"id":57,"options":58,"question":59,"source":24,"type":25},[],"2024-11-19 17:40:53",166523023,[40,31,38,11],"nullA purine or pyrimidine base attached to ribose or deoxyribose. The nucleosides commonly found in DNA and RNA are: cytidine, cytosine deoxyriboside, thymidine, uridine, adenosine, adenine deoxyriboside, guanosine, and guanine deoxyriboside. Note that thymidine is a deoxyriboside and cytidine, uridine, adenosine,and guanosine are ribosides. ( )",{"answer":61,"createTime":35,"id":62,"options":63,"question":64,"source":24,"type":25},[],166523024,[38,11,10,31],"One of a group of nitrogenous bases whose parent compound has the formula shown. The two most abundant purines are adenine and guanine, which are constituents of nucleic acids and coenzymes. ( )",{"answer":66,"createTime":35,"id":67,"options":68,"question":69,"source":24,"type":25},[],166523025,[38,31,10,11],"A heterocyclic organic compound, C4N4N2 the fundamental form of pyrimidine bases. Some of these bases are constituents of nucleic acid. ( )",{"answer":71,"createTime":35,"id":72,"options":73,"question":77,"source":24,"type":25},[],166523026,[38,74,75,76],"Thymine","replication fork","Guanine","nullA point at which the two strands of a DNA double helix are unwound and separated during replication. ( )",{"answer":79,"createTime":35,"id":80,"options":81,"question":82,"source":24,"type":25},[],166523027,[8,11,10,9],"nullA single-ring nitrogenous base molecule of DNA but not RNA. It is complementary to adenine. ( )"]