There are many types of each of these pigments, and they can be broadly grouped by water solubility. Anthocyanins are water soluble, butchlorophyll and carotenoidsare not. Is anthocyanin soluble in water? It is because anthocyaninsare soluble in both waterand most of the organic solvents. On th...
Why is water considered a renewable resource?Answer and Explanation: Water is considered a renawable resource because it replaces itself naturally. Water from lakes (rivers,oceans etc.) evaporates and after that it goes back to lakes (rivers, oceans, ground etc.) as rain or snow. That is ...
根据短文第一段中的句子 " Chlorophyll helps photosynthesis. It gives plants their green color"可知,叶绿素帮助光合作用,它给植物提供绿色 故答案为B。 2.A 【解析】细节理解题。 根据短文第三段中的句子 "During winter, there is not enough light or water for photosynthesis. Trees rest during this ...
Chlorophyll is green. During the spring and summer, the leaves of a deciduous tree look green because there is a lot of chlorophyll there. In autumn, however, the sunshine becomes more scarce (缺乏) and the leaves on the trees stop making new chlorophyll. As the old chlorophyll starts to ...
结合Leaves need water,which they get from the tree树叶通过树茎获得水,故选A。【小题4】句意:所有的植物都依赖于一种叫做叶绿素的化学物质,这种化学物质使叶子呈现绿色。考查短语。A. keep off不接近;B.rely on 依靠;C.turn into 变成;D.give up放弃。结合called chlorophyll(叶绿素),which gives leaves ...
Where is chlorophyll used? What is one reason why a plant would want to close its stomata? Why are blueberries blue on the outside, but green on the inside? Why do some birds have bright colors while others look more camouflaged? Why do some plants need less water than others? Why does...
is learning to speak. She portrays Fall as a colorful display of leaves where a process of chlorophyll gradually breaking down to reveal splotches of yellow and red. Through scientific analysis chlorophyll is known to be the dark green pigment that produces a rich green color. Throughout the ...
考查连词。根据句意"Leaves need water , which they get from the tree"译为 "树叶需要水,他们能通过他们的茎从树里得到水分" ,故答案选A。4.考查动词短语。根据句意"All plants ___a chemical called chlorophyll"译为 "所有植物依赖一种叫做叶绿素的化学物质" ,故答案选B。5.考查形容词。根据句意"This...
water 2.The underlined word “chlorophyll” means “ ”. D. 蛋白质 E. 脂肪 F. 叶绿素 3.The leaves turn yellow because they are short of . G. sunlight and water . glucose and energy . water and CO2 4.Which of the following is NOT true? . When autumn comes, the days get shorter ...
Why does chlorophyll reflect green light instead of absorbing it? Why do humans have trouble seeing blue light? Why is light pollution red? How do ciliary bodies help you see? Why does blood coagulate? Why do birds not move their eyes?