Big Idea 2 – Cellular Processess: Energy and Communication

The need for cells to obtain and use energy efficiently is the focus of this Big Idea # 2.  Along with the energy requirements are the communications that exist among cells.  This concept of cell-to-cell communication reaches topics such as production of bio-molecules, movement of materials into and out of cells through selectively permeable cell membranes and the various stimuli to which cells respond in order to maintain homeostasis with the environment.  Some of the related topics to cell biology dealt with in this Big Idea are not unusual (e.g. cellular respiration and photosynthesis).  However, there are links to cell biology that student may not have made before – cell-to-cell communication, evolutionary connections and how the coordination of internal and external environments triggers cellular responses.

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