问题:中药材“杜仲”的主要特征之一是(),有滋补肝肾的作用,通常用于腰...
Sunday, September 11, 2022
问题:花是适应于繁殖的,节间极缩短,无顶芽和侧芽的()。...
Sunday, September 11, 2022
Sunday, September 11, 2022
Sunday, September 11, 2022
Wednesday, September 14, 2022
Wednesday, September 14, 2022
问题:花序下常有总苞的植物是()。A、鱼腥草B、蒲公英C、天南星D、桔梗E、半夏...
Saturday, November 11, 2023
问题:试述常见的草酸钙晶体有哪些类型。怎样区别草酸钙晶体与碳酸钙晶体?...
Wednesday, September 14, 2022
Wednesday, September 14, 2022
问题:许多来源相同,形态、结构相似、具有同一种生理功能的细胞群称为:()。...
Thursday, May 29, 2025
问题:子房全部与凹下的花托愈合,花的其他部分着生于子房的上方称()。...
Wednesday, September 14, 2022
Wednesday, October 25, 2023
Sunday, September 11, 2022
问题:蓼科植物何首乌的干燥块根药用,为《药典》记载的中药材“首乌”。它...
Wednesday, September 14, 2022
Sunday, September 11, 2022
问题:次生构造中发达的栓内层称为()A、次生皮层B、初生皮层C、后生皮层D、绿皮层E、落皮层...
Saturday, November 11, 2023
Sunday, September 11, 2022
问题:厚壁组织增厚的部分,一般在角隅处加厚,也有的在切向壁或靠近胞间隙...
Thursday, September 15, 2022
问题:菊科分为几个亚科?各亚科的主要特征有哪些?并例举药用植物6种以上...
Wednesday, September 14, 2022
Tuesday, October 31, 2023