A mutation that confers a more advantageous phenotype to an organism, relative to Individuals in the same population without the mutation, is positive selection of that organism.

TLS Online TPP Program

#Id: 3861

#Unit 5. Developmental Biology

When the ratio of PSF relative to that of bacteria exceeds a certain threshold, cells stop proliferating and initiate the expression of genes that are required for their aggregation.

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#Id: 7003

#Unit 5. Developmental Biology

Although limited but Progenitor cells proliferation serves to amplify the pool of progenitors before they terminally differentiate.

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#Id: 3006

#Unit 3. Fundamental Processes

These Okazaki fragments are found in replicating DNA in both prokaryotes and eukaryotes.

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#Id: 7991

#Unit 10. Ecological Principles

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#Id: 4493

#Unit 13. Methods in Biology

The U wave is an inconstant finding that may be due to ventricular myocytes with long action potentials.