In a science class, we observe a plant. What color is chlorophyll? A. red B. blue C. green D. yellow 相关知识点: 试题来源: 解析 C。本题考查科学知识。叶绿素是绿色的,选项 A“red”是红色;选项 B“blue”是蓝色;选项 C“green”是绿色;选项 D“yellow”是黄色。
根据第二段内容,结合第一句 “In the spring and summer, tree leaves produce a chemical called chlorophyll(叶绿素), which is responsible for the green color.(在春天和夏天,树叶会产生一种叫做叶绿素的化 学物质,这就是树叶是绿色的原因)”可知,本段主要介绍树叶颜色的由来。故选B。 【 30题详解】 细节...
from Chapter 23 / Lesson 14 203K Chlorophyll is a green pigment found in all plants. This green pigment is not only responsible for giving plants their green color, but also aids in the production of food for plants. Related to this QuestionWhat...
How does the color of chlorophyll impact the photosynthesis process? What part of the process of photosynthesis occurs in the thylakoid compartment? Describe the main structures involved in photosynthesis. Explain the steps of photosynthesis. In what part of the chloroplast do the light reactio...
The color of leaves in fall is often yellow, as chlorophyll breaks down and other pigments become visible. So the answer is D. The question asks about the color of leaves in fall. In fall, leaves lose their green chlorophyll and turn to colors like yellow, orange, and red. So the ...
三、 完形填空(共10小题;每小题1分,满分10分)When you picture a leaf in your mind, what color is it? You may say not __36_. The green color is from a chemical called chlorophyll (叶绿素) a green plant would not be able to 37.Chlorophyll helps plants produce food 38 photosynthesis ...
Nitrogen (N) is crucial for chlorophyll production, the compound responsible for photosynthesis and the green color of leaves. It promotes vigorous vegetative growth. Phosphorus (P) facilitates energy transfer within the plant, crucial for the development of roots, flowers, and seeds. Potassium (K)...
Where does the green color come from A chemical called “chlorophyll” in the leaves provides plants their green color. When autumn comes, the days get shorter and shorter, and trees “know” that is the time to begin getting ready for winter. In winter, because of the short days, there...
Q2: What is the role of chlorophyll in photosynthesis? Ans: Chlorophyll is a pigment molecule that absorbs light energy from the sun and transfers it to other molecules within the plant cell. It is the primary pigment involved in photosynthesis and gives plants their green color. Chlorophyll is...
When you picture a leaf in your mind, what color is it? You may say “green”. In fact, that’s not___. The green color is from a chemical called chlorophyll (叶绿素). Without chlorophyll, a green plant would not be able to___. Chlorophyll...