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Compare the 2 pictures below. These pictures are from the cellular respiration simulation. Why is the gas level decreasing in the germinating soybeans (top respirometer) over 20 minutes? (Hint: what IS the gas that was measures with the respirometer?)   Time zero:   Time: 20 minutes

Compare the 2 pictures below. These pictures are from the cellular respiration simulation. Why is the gas level not changing with the glass beads (bottom respirometer) over 20 minutes?   Time zero:   Time: 20 minutes

How was oxygen consumption calculated in the “Measuring energy production in plants” simulation?

What is the MAIN purpose behind using positive and negative controls in experiments like those in Lab 3 where the chemical composition of substances was tested?

How is rate of photosynthesis calculated?

What is the significance of the “Ori” DNA sequence?

Generally speaking, what sorts of hazards should you protect yourself from in the lab? Choose all that apply.

When do cells utilize fermentation?

What is the purpose of covering one tube with foil in the “Determing Rate in White Light” simulation?  

What substance used in the “Measuring energy production in plants” simulation is toxic to the soybeans?