Introns may more freely accumulate point substitutions and other changes due to no selection pressure.

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#Id: 2600

#Unit 13. Methods in Biology

Touch down PCR are derived to enhance primer binding in the annealing step.

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#Id: 5525

#Unit 10. Ecological Principles

Survivorship curves 

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#Id: 5860

#Unit 10. Ecological Principles

Fast generation and high mutation rate in tropical leads to greater evolution rate. 

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#Id: 5791

#Unit 7. System Physiology – Animal

Oxidation of iodine is mediated by thyroid peroxidase, a membrane-bound enzyme found in the thyrocyte apical membrane.

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#Id: 1695

#Unit 4. Cell Communication and Cell Signaling

RAG1 is the predominant recombinase; it forms a complex with the RSS that is stabilized by the binding of RAG2.

RAG2 by itself does not exhibit detectable RSS binding activity