In the Section "Investigating Life: Plants' Alternative Lifestyles Yield Hot

question 21

Multiple Choice

In the section "Investigating Life: Plants' Alternative Lifestyles Yield Hot Sex",Philodendron flowers pass electrons through a mitochondrial electron transport chain to generate heat.What step is bypassed in generating heat?

• A)formation of a proton gradient
• B)transfer of electrons to oxygen
• C)donation of electrons to the electron transport chain
• D)excitation of electrons by sunlight
• E)release of electrons from water

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