End-labelling of a gene probe at the 3′ end using terminal transferase. Note that the addition of a labeled dNTP at the 3′ end alters the sequence of the gene probe.

TLS Online TPP Program

#Id: 8949

#Unit 2. Cellular Organization

TLS Online TPP Program

#Id: 2177

#Unit 11. Evolution and Behavior

Hitchhiking - An allele at one locus spreads by natural selection acting on a second locus that is in linkage disequilibrium with  the first.

TLS Online TPP Program

#Id: 6127

#Unit 3. Fundamental Processes

Enzymes that remove bases from DNA are called glycosylases and lyases

TLS Online TPP Program

#Id: 852

#Unit 2. Cellular Organization

Xanthomonas oryzae secretes a highly conserved sulfated peptide called Ax21, which mediates quorum sensing by controlling Xanthomonas motility, biofilm formation, and virulence.

TLS Online TPP Program

#Id: 8640

#Unit 2. Cellular Organization

In vertebrates, Rb is the major guardian of the cell cycle, integrating information about DNA damage and cell growth