G-protein linked receptors
This learning object explains how G - proteins function in communication messages from membrane-bound receptors.
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How Big? Activity
The objective of Lesson 2, Activity 1 is for student teams to determine the size of the caverns. Lesson two has student teams measure their classroom to determine area and volume; determine how many people could comfortably sleep in their classroom; scale this number up to find the required area for all Alabraskans. The lesson provides a good application of area and volume concepts. Students also perform math conversions between feet, meters, miles and kilometers.
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Reading Scientific Images: The iconography of evolution

Authors: 
Richard Mason, with Tony Morphet, and Sandra Prosalendis