光合作用:藻类色素分析

Time to complete course: 20 min.

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关于光合作用:藻类色素分析Virtual Lab Simulation

This short, targeted simulation is adapted from the full-length “Electron Transport Chain” simulation.

找出深色藻类是否可以帮助生产生物燃料。在此模拟中,您将帮助环境项目中的主要工程师Roxy,找出深色藻类是否可以使用绿灯进行光合作用。使用山丘反应和分光光度法测量电子流,并找出藻类中的颜料是否可以使用绿光进行光合作用。

Introduction to the Hill reaction

我们如何测量光合作用产生的能量?光合作用的过程使用电子传输链。通过使用山丘反应测量电子流,我们可以知道光合作用产生的能量。该反应使用DCPIP(氧化还原染料)测量电子流。现在我们知道我们可以开始实验的理论!

Prepare the experimental controls

Our handy virtual assistant Dr. One has already extracted pigments from the algae for you! Now, to check out if the pigments can use green light for photosynthesis. In order to properly test your hypothesis, you will need to prepare and measure your sample, as well as positive and negative controls. Look at the absorption spectra from previous experiments to choose the correct wavelength of light for the spectrophotometer to measure your samples.

测量光合作用

通过将暴露于分光光度计中绿光的色素样品的吸光度与对照组的吸光度进行比较,您将能够弄清黑藻是否能够使用绿光进行光合作用。您关于黑藻色素的假设是否正确?

Get Started Now

帮助Roxy弄清楚神秘的黑藻是否能够使用绿光进行光合作用,并通过山丘反应测量此过程。

技术in Lab

  • Hill reaction
  • Spectrophotometry

学习目标

  • Understand properties of light and why pigments are colorful
  • 制定假设并建立一个实验来测试它
  • Understand how to measure the redox potential of the electron transport chain
  • 解释吸收光谱

仿真功能

Length– 20 minutes
可访问模式- 可用的
语言- 英语

Examples of Related Standards

University

生物学related 1st and 2nd year

NGSS

没有直接对齐

IB

高水平的含量,可以支持生物学2.9光合作用

AP

支持s Biology Unit 2: Cell structure and function

Screenshots of Photosynthesis:藻类色素分析Virtual Lab Simulation

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