Which mineral element is important for the formation of chlorophyll in plants? A. Potassium B. Magnesium C. Calcium D. Sulfur 相关知识点: 试题来源: 解析 B。解析:本题考查不同矿质元素在植物体内的作用。镁(Magnesium)对于植物叶绿素(chlorophyll)的形成非常重要,缺镁会导致叶片发黄等症状。钾(Potassium...
刘先生，男性，67岁。因胸闷气短入院，护理人员通过评估分析，得出“活动无耐力与心输出量减少有关”。该病人护理诊断属于（ ）
如下所问,(化学题)The element magnesium is an essentialnutrient for the growth of plants. It is requiredto form chlorophyll, the green substancewhich initiates the photosynthetic process.Make a hypothetic plot of the biologicalresponse of plants to magnesium at differentconcentrations starting from zer...
What is the iron-containing protein in red blood cells that reversibly binds to oxygen? Which metallic element is present in haemoglobin? What is oxygen in our blood transported by? Which metal might be present in haemoglobin? Name the mechanism by which oxygen is ___ and by w...
Which among the following is not a component of human blood? A. white blood cells B. red blood cells C. chlorophyll D. plasma Parts of Blood: Blood is the red liquid that constantly circulates throughout our bodies, and we see it...
To solve the question of which element is not present in plant tissues in large amounts, we can follow these steps:Step 1: Understand the Classification of Nutrients Plants require various nutrients for their growth, which are
element for the artist, only the starting point of the creative act. The expression of this emotion and its realization in the work could be done only with dis- (25) cipline and thorough knowledge of the craft. And the African sculptor was a highly trained workman. He started his apprentic...
A probe for measuring a leakage magnetic field includes a substrate, a flexible cantilever having one end fixed to the substrate and a free end, and at least one magneto resistive element arranged on the free end of the cantilever. The magneto resistive element has a width within a range fro...
Which metallic element is present in haemoglobin? Which blood cells are the most numerous in the body? a. red b. white c. platelets d. plasma (a) What is hemoglobin? (b) What inorganic element is fundamental in the composition of hemoglobin? What are the 3 types of ...
grass and any object animate or inanimate. A cattail400is a common element in hunting camouflage and is a good choice to illustrate the invention. Note the significant spectral difference between the solid line of the cattail400and the dotted line of the camouflage green405. The solid line400...