By Kathleen Lee
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In this learning activity you'll review how every protein molecule of an organism is synthesized by that organism in a prescribed process. This activity helps students understand the fundamental life process of making protein.
In this animated object, learners examine the mechanisms for gas exchange among the lungs, blood, and tissues.
In this animated object, learners examine how changes in pH affect the salt bonds in strands of hair.
You'll practice solving problems using the rule for multiplying powers with the same base.