【简答题】I.Read the following ATIS and fill in the space in the table by writing the relevant information after each essential element: (单词间不加标点,只用空格,单词全称或缩写均按照原文写) Schiphol Airport, arrival information G, 130...
【多选题】In plant and animal systems, is it the same of the definition and inclusion for essential elements? Why?
A.
The definition and inclusion for essential element are not the same in plant and animal systems.
B.
Because the trace elements essential for plants are those elements which cannot be substituted by others in their specific biochemical roles and that have a direct influence on the organism so that it can neither grow nor complete some metabolic cycle.
C.
In general, B, Co, Cu, Fe, Mn, Mo, Si and Zn are known to be essential for plants, whilst Al, As, Br, F, I, Li, Ni, Rb, Se, Sr, Ti and V are known to be essential for some groups or species. In human and animal systems, trace elements are defined as being essential if depletion consistently results in a deficiency syndrome and repletion specifically reverses the abnormalities.
D.
The trace elements fulfilling these requirements are As, Co, Cr, Cu, F, Fe, I, Mn, Mo, Ni, Se, Si, Sn, V and Zn.
【判断题】The trace elements essential for plants are those elements which cannot be substituted by others in their specific biochemical roles and that have a direct influence on the organism so that it can nei...