[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fPy3Zj2XhfEfbi7gssN3SHWJOhBZuxSaOYPWvrQrTr_k":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2024-11-19 17:40:53",166523023,[8,9,10,11],"nucleoside","pyrimidine","purine","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","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. ( )",[21,32,38,45,51,57,60,65,70,78],{"answer":22,"createTime":23,"id":24,"options":25,"question":29,"source":30,"type":31},[],"2024-11-19 17:40:50",166523018,[26,27,28,11],"adenine","cytosine","guanine","A purine base that is an essential constituent of the nucleic acids and also of such coenzymes as NAD and FAD.( )","v1",0,{"answer":33,"createTime":34,"id":35,"options":36,"question":37,"source":30,"type":31},[],"2024-11-19 17:40:51",166523019,[26,27,28,9],"nullA single-ring nitrogenous base molecule in DNA and RNA. It is complementary to guanine. ( )",{"answer":39,"createTime":40,"id":41,"options":42,"question":44,"source":30,"type":31},[],"2025-11-14 12:02:36",166523020,[10,28,43,8],"DNA polymerase","An enzyme that brings new DNA triphosphate nucleotides into position for bonding on another DNA molecule. ( )",{"answer":46,"createTime":40,"id":47,"options":48,"question":50,"source":30,"type":31},[],166523021,[9,10,49,8],"DNA double helix 双螺旋","The three-dimensional structure of doublestranded DNA. ( )",{"answer":52,"createTime":53,"id":54,"options":55,"question":56,"source":30,"type":31},[],"2024-11-19 17:40:52",166523022,[10,28,9,8],"nullA double-ring nitrogenous base molecule in DNA and RNA. It is the complementary base of cytosine. ( )",{"answer":58,"createTime":5,"id":6,"options":59,"question":19,"source":30,"type":31},[],[8,9,10,11],{"answer":61,"createTime":40,"id":62,"options":63,"question":64,"source":30,"type":31},[],166523024,[10,11,28,9],"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":40,"id":67,"options":68,"question":69,"source":30,"type":31},[],166523025,[10,9,28,11],"A heterocyclic organic compound, C4N4N2 the fundamental form of pyrimidine bases. Some of these bases are constituents of nucleic acid. ( )",{"answer":71,"createTime":40,"id":72,"options":73,"question":77,"source":30,"type":31},[],166523026,[10,74,75,76],"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":40,"id":80,"options":81,"question":82,"source":30,"type":31},[],166523027,[26,11,28,27],"nullA single-ring nitrogenous base molecule of DNA but not RNA. It is complementary to adenine. ( )"]