作业帮一道英文的科学题,希望可以用英文回答,多谢.可以加分.
来源：学生作业帮 编辑：作业帮 分类：英语作业 时间：2024/07/01 13:00:09
一道英文的科学题,希望可以用英文回答,多谢.可以加分.
The following is a destarched plant.Leaf A is coverd by a black bag .The plant is then put under sunlight for several hours.Predict and explain the recults if leaf a and leaf b are tested for starch.
leaf a is coverd by a black bag .But leaf b isn't.答得好加分,加40
The following is a destarched plant.Leaf A is coverd by a black bag .The plant is then put under sunlight for several hours.Predict and explain the recults if leaf a and leaf b are tested for starch.
leaf a is coverd by a black bag .But leaf b isn't.答得好加分,加40
Starch will be detected on Leaf B because it was exposed to the sunlight for several hours.Photosynthesis will generate starch from absorbing the sunlight.Leaf A will not contain starch because it was covered by a black bag,and therefore it could not absorb any sunlight.