2A. Energy Requirements, Capture, Storage, Exchange

A focus on thermodynamics is an essential beginning to a deep understanding of energy capture and exchange.  Although a student’s chemistry course (prerequisite) will introduce the ideas of entropy, free energy, etc., students will need encouragement to bring what they know about thermodynamics to biological systems.  From the perspective of energy input and energy release, the topics of cellular respiration and photosynthesis will take on a deeper meaning to students.  An additional facet of energy exchange is the capability of the cell to efficiently permit materials to cross the membrane barrier.  Hence, if the students have not dealt with surface area:volume ratios in pre-AP Biology, it will be imperative for them to learn about it now.


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