最终答案:The leaf is green because it has chlorophyll. 问题分析: 1. 题目要求根据中文意思,将英文句子补充完整。 2. 中文意思是:树叶是绿色的,因为它含有叶绿素。 3. 英文句子已经给出:The leaf ___ because it has chlorophyll. 4. 需要填入的部分是描述树叶颜色的形容词。 5. 根据中文意思,树叶的颜色...
5.Becausechlorophyllis green, and plants are full of it. 因叶绿素是绿色的,而植物充满了叶绿素。 「十万个什么」评价该例句:好评差评指正 少畅学课堂 6.Chloroplasts are found only in plant cells and containchlorophyll. 叶绿体仅存在于植物细胞内,而且含有叶绿素。
7.Most spaniels are black, white or umber, But Kew Gardens produced a new number: Using chlorophyll genes Extracted from beans, They created a dark green Kew Clumber. 8.Trees stop producing new chlorophyll, because doing so would be a waste of energy, and soon there’s none left. 9.We...
Leaves are green because of chlorophyll a substance found in chloroplasts. Chlorophyll efficiently absorbs red light and reflects green light. This reflected green light is what we see making leaves,站酷海洛,一站式正版视觉内容平台,站酷旗下品牌.授权内容
D. It makes leaves green in spring and summer.( )28. Why do leaves produce less food in autumn?A. Because they need a rest.B. Because there is not enough sunlight.C. Because they need to change colour.D. Because chlorophyll goes away in the season.( )29. In which part of a ...
not green. Plants today are green because 14 use green chlorophyll(叶绿素) to produce energy. _ 15_ these early plants probably used something called retinal(视网膜), which is a dark purple colour.During the time of the Roman Empire, it was very 16 to make purple dye(染料). The dye ...
The name comes from the Greek words that mean green and leaf. It*s a good name because chlorophyll gives leaves their green colour.Chlorophyll also has another important job. It helps plants make food from sunlight, water and air. But leaves must make chlorophyll first and to do that , ...
there is less light in autumn,thereis less chlorophyll.This is because chlorophyll needs light to reproduce.The chlorophyll starts to break down or move to tree tyunks.The other colors in the leaf come out.So the leaves don't really "turun''a certain color-they just lose their greennes ...
The green pigment in plants that helps in photosynthesis is ___. A. chlorophyll B. carotene C. xanthophyll D. anthocyanin 相关知识点: 试题来源: 解析 A。本题考查光合作用中的绿色色素。植物中的绿色色素是叶绿素,有助于光合作用。选项 B 胡萝卜素、选项 C 叶黄素、选项 D 花青素都不是主要进行光合...
The green pigment in plants that helps in photosynthesis is _. A. chlorophyll B. melanin C. keratin D. hemoglobin 相关知识点: 试题来源: 解析 A。解析:本题考查与光合作用相关的植物中的色素。选项B“melanin”是黑色素,存在于动物皮肤等部位,与植物光合作用无关;选项C“keratin”是角蛋白,主要存在于...