POT1 binding to single-stranded telomere DNA inhibits telomere activity.

TLS Online TPP Program

#Id: 9435

#Unit 11. Evolution and Behavior

Monogamy

Each individual mates exclusively with one partner over at least a single breeding cycle and sometimes for longer.

Monogamy occurs in fish, amphibians, reptiles, and mammals, but it is only commonly observed in birds, some rodents, and a few primate species.

TLS Online TPP Program

#Id: 8354

#Unit 2. Cellular Organization

Listeria is a food-borne bacterial pathogen has on its surface a protein ActA, which mimics an NPF that efficiently activates the Arp2/3 complex.

TLS Online TPP Program

#Id: 3600

#Unit 3. Fundamental Processes

All the amino acids except methionine and tryptophan have more than one codon.

TLS Online TPP Program

#Id: 10448

#Unit 4. Cell Communication and Cell Signaling

Avian leukosis virus (ALV), 

Retroviral DNA is inserted near the MYC gene. overproduction of MYC causes abnormally rapid proliferation of cells.

TLS Online TPP Program

#Id: 1763

#Unit 4. Cell Communication and Cell Signaling

Peripheral tolerance, which renders some self-reactive lymphocytes in secondary lymphoid tissues inactive and generates others that actively inhibit immune responses against self