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Nectary
时间：2021-12-29 23:40
关键词：
植物细胞和组织
农学
答案解析
<p> 植物花内分泌蜜汁的外分泌腺组织。蜜腺一般位于花瓣、花萼、子房或花柱地基部。蜜汁有引诱昆虫传粉的作用。</p>
相关问题
boost的意思是:help or encourage to increase or improve
eloquent的意思是:fluent or persuasive in speaking or writing
A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.
厚角组织细胞多直接位于植物体幼嫩器官的维管束中
世界卫生组织推荐使用的口服补液盐（ORS）溶液的张力为（）。
最新问题
用高度分化的植物细胞、组织和器官进行组织培养可以形成愈伤组织，下列叙述错误的是（）
下列属于动物细胞培养与植物组织培养主要区别的是（）
在植物组织培养过程中，当培养基中添加的生长素含量高于细胞分裂素时，主要诱导植物组织（）
Mainly east 3 or 4 partly cloudy to overcast occasional rain（）slowly south moderate or good.
（）any case or suspected case of quarantinable disease，or any case of eruptive disease or any death be discovered，the local quarantine officer must be notified immediately．
Should any case or suspected case of quarantinable disease，or any case of eruptive disease or any death be discovered，the local Quarantine Officer must be（）immediately.
Masters are（）solely responsible for all damages or accidents of whatever kind resulting from the navigating or handling of their vessels by day or by night.
If he is a common carrier，he is absolutely responsible to the owner of the goods carried （）any loss or damage to them unless caused by an Act of God or the Queen’s enemies，or the inherent vice in the goods themselves，or the negligence of the owner of the goods，or a general average sacrifice.
系统中雷达状态包括Unknown、Operational（or ON）、Failed（or OFF）、Detached。
Owners are to be responsible for loss of or damage to the goods or delay in delivery of the goods only in case the loss，damage or delay has been caused by the improper or negligent stowage of the goods．This means that（）.
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