Higher:
解释为什么葡萄糖对所有生命都很重要
Middle:
解释为什么植物利用葡萄糖生产其他产物
Lower:
列举一些植物利用葡萄糖的方式
Higher:
解释为什么在实验中需要某些步骤
Middle:
描述该实验要证明什么
Lower:
按照规定的方法
Higher:
Middle:
Lower:
Why does a plant need glucose?
How to human beings get glucose?
NA
Science Behind the Science:
The process of photosynthesis in plants is useful in making organic compounds out of carbon dioxide. This is doable through carbon-fixation reactions. The process produces both oxygen and organic compounds out of water, carbon dioxide and energy.
Carbon dioxide is the source of carbon. It enters the photosynthetic process via the carbon-fixation reactions. These reactions take place in the dark. Photosynthesis produces organic products. Organic products must contain carbon.
The main organic compounds that come from plant photosynthesis are carbohydrates. The simplest carbohydrate is glucose. Glucose is made from carbon dioxide, water and light energy in the process of photosynthesis. Glucose can be linked with other molecules to form more complex carbohydrates. It is the starting material for cellular respiration and the main product of photosynthesis. Glucose is the food source and can be used in different ways.
Glucose is stored as starch and fats and oils. It is used for respiration to release energy too. It is used to produce cellulose which helps to strengthen the plant cell wall and to produce proteins like chlorophyll for light absorption and enzymes for chemical reactions.
Biology - Material cycles and energy - photosynthetic organisms,such as plants and algae, use sunlight in photosynthesis to build organic molecules that are an essential energy store
Grade 6 Getting to Know Plants.
6 年级 - 生命科学 - 生命过程 - 植物和微生物的生命过程 - 植物的生命过程 - 植物如何储存食物?
了解植物吸收阳光和水分,创造出自身生存所需的养分。
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