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Eureka! Episode 19 - Expansion and Contractio
Using balloons to illustrate the process, Eureka! shows how, when matter gets hot, its molecules go faster and the solid, liquid, or gas expands Conversely, when matter gets cold, its molecules go slower, and the solid, liquid, or gas contracts...
Tags : Scence Cartoon
Visto : 6729
video subido por bubblebear83 .
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Muscle Contraction - Actin and Myosin
This video shows that muscle contraction is dependent on ATP (the energy carrier in cells) The preparation of muscle is made from rabbit muscle Most of the cellular content is removed and all that is left is the contractile machinery -- actin and myosin The glycerinated muscle preparation is availa
Tags : muscle cell biology actin myosin
Visto : 10892
video subido por dkbiology .
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