美国NCBI的BLAST属于（）。A生物医学数据库B生物医学电子出版物C生物医学类公共软件D生物医学电子公告
美国NCBI的BLAST属于（）。
A生物医学数据库
B生物医学电子出版物
C生物医学类公共软件
D生物医学电子公告
参考解析
略
相关考题：
有关PUBMED数据库以下哪些说法是对的() A、Pubmed是美国国家生物技术信息中心(NCBI)下属的美国国家医学图书馆(NLM)开发的检索系统B、免费提供题录和文摘C、提供与原文的网址链接(部分免费获取)D、提供检索词自动转换匹配
A jack-up drilling unit elevated on the Outer Continental Shelf must have a fog horn that will sound ______.A.a 2-second blast every 20 secondsB.a 4-second blast every 20 secondsC.an 8-second blast every 30 secondsD.a 10-second blast every 30 seconds
NCBI的主要工作是开发数据库，进行计算生物学研究，开发用于分析基因组数据的软件工具，发布生物医学信息。网站上方的导航条有7个大类：PubMed、AllDatabases、BLAST、OMIM、Books、Taxbrowser和Structure。应熟练掌握其使用功能。一个全面的人类基因和遗传疾病的数据库是（）A、PubMedB、BLASTC、EntrezD、TaxbrowserE、OMIM
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单选题You are underway and approaching a bend in the channel where vessels approaching from the opposite direction cannot be seen．You should sound（）.Aone blast，4 to 6 seconds in durationBthree blasts，4 to 6 seconds in durationCone continuous blast until you are able to see around the bendDone blast，8 to 10 seconds in duration
多选题有关PUBMED数据库以下哪些说法是对的（）APubmed是美国国家生物技术信息中心（NCBI）下属的美国国家医学图书馆（NLM）开发的检索系统B免费提供题录和文摘C提供与原文的网址链接（部分免费获取）D提供检索词自动转换匹配
单选题You are Master of a towing vessel engaged in towing three barges astern.The middle barge of the tow would be required to sound which of the following during restricted visibility （）.ANo fog signalBA prolonged blast at intervals never to exceed more than two minutesCA prolonged blast followed by two short blasts at intervals never to exceed more than two minutesDA prolonged blast followed by three short blasts at intervals never to exceed more than one minute
单选题Which of the following represents the emergency signal for fire aboard ship?（）AMore than six short blasts and one long blast on the whistleBContinuous blast of the ships whistle for a period of not less than 10 seconds supplemented by the same signal on the general alarmCThree short blasts of the whistle supplemented by the same signal on the general alarmDMore than six short blasts and one long blast on the whistle supplemented by the same signal on the general alarm
单选题The abandon ship signal sounded by the vessels whistle is （）.A6 short blasts and 1 long blastBlong blast mare than 6 short blastsCmore than 6 short blasts and 1 long blastD1 long blast of at least 10 seconds
单选题The term PROLONGED BLAST refers to（）.Aa blast of from five to seven seconds' durationBa blast of from five to six seconds' durationCa blast of from four to six seconds' durationDa blast of from six to seven seconds' duration
单选题NCBI的主要工作是开发数据库，进行计算生物学研究，开发用于分析基因组数据的软件工具，发布生物医学信息。网站上方的导航条有7个大类：PubMed、AllDatabases、BLAST、OMIM、Books、Taxbrowser和Structure。应熟练掌握其使用功能。用于检索生物医学文献的是（）APubMedBBLASTCEntrezDTaxbrowserEOMIM
问答题简述BLAST搜索的算法思想。