When DNA is damaged, p53 is tetramerized and accumulates rapidly.

TLS Online TPP Program

#Id: 6941

#Unit 8. Inheritance Biology

 If their positions are altered by an inversion, their expression may be altered, an outcome referred to as a position effect.

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#Id: 6696

#Unit 3. Fundamental Processes

APOBEC3G (A3G)—is a potent inhibitor of infection by a range of retroviruses, including HIV. deaminates Cs to produce Us in that DNA strand, leading to hypermutation at levels the virus cannot accommodate, or even to destruction of the damaged strand by DNA glycosylase and apurinic apyrimidinic endonuclease

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#Id: 7220

#Unit 5. Developmental Biology

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#Id: 6898

#Unit 3. Fundamental Processes

TLS Online TPP Program

#Id: 7005

#Unit 5. Developmental Biology

 Precursor cell, is widely used to denote any ancestral cell type (either stem cell or progenitor cell) of a particular lineage; it is often used when such distinctions do not matter or are not known.