The a-keratin chains indicated by the diagram below have undergone one chemical step. To alter the shape of the a-keratin chains—as in hair waving—what subsequent steps are required?

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#Question id: 17221

#Unit 7. System Physiology – Animal

What is good stress called?

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#Question id: 11201

#Unit 7. System Physiology – Animal

Why are action potentials usually conducted in one direction?

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#Question id: 10672

#Unit 10. Ecological Principles

Which of the following is incorrect match of protective strategy done by organism?

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#Question id: 4946

#Unit 11. Evolution and Behavior

Although absolute distinctions between the ʺmost evolvedʺ protobiont and the first living cell are unclear, biologists generally agree that one major difference is that the typical protobiont could not

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#Question id: 24237

#Unit 4. Cell Communication and Cell Signaling

What are the two major components of the extracellular matrix?