The “default fate” of the ectoderm is to become neural tissue

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#Id: 9776

#Unit 6. System Physiology – Plant

SA accumulation leads to enhanced local ROS production.

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#Id: 7588

#Unit 5. Developmental Biology

Toward the end of capacitation, sperm become hyperactivated—The symmetrical beating of the flagellum is changed into a rapid asynchronous beat with a higher degree of bending. 

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#Id: 382

#Unit 2. Cellular Organization

H3 and H4 histones first form heterodimers that then come together to form a tetramer with two molecules each of H3 and H4. While H2A and H2B form heterodimers in solution but not tetramers. This assembly without DNA called Histone-only Intermediates 

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#Id: 6498

#Unit 3. Fundamental Processes

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#Id: 9381

#Unit 11. Evolution and Behavior