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April 18, 2014

Homework Help: AP Biology

Posted by Alex on Sunday, November 11, 2007 at 4:10pm.

I'm doing an AP Lab on Cellular Respiration that is Ward's AP Biology Lab 5 with the germinating and non-germinating peas.

One question asks what is the purpose of KOH in this experiment? I wrote Potassium Hydroxide is used to remove the CO2 produced during cellular respiration. How does KOH remove CO2?

Another question asks lists 3 controls in this experiment. I put down temperature, type of peas. I need another one. I think it somewhat deals with the respirometer.

I'm stuck on this question:
During aerobic respiration, glucose is broken down to form several end products. Which end products contain the carbon atoms from glucose? The hydrogen atoms from glucose? The oxygen atoms from glucose? The energy stored in the glucose molecules?

If anyone is familiar with this lab, can I get some help? Thank you!

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