Phytoalexins are low molecular weight, lipophilic antimicrobial compounds for which phenylalanine is a substrate used by phenylalanine ammonia lyase (PAL),

TLS Online TPP Program

#Id: 3222

#Unit 3. Fundamental Processes

Transcribed genes are preferentially repaired when DNA damage occurs.

TLS Online TPP Program

#Id: 670

#Unit 3. Fundamental Processes

Extensive shortening of telomeres is recognized by the cell as a double-strand break and consequently triggers cell cycle arrest and apoptosis.

TLS Online TPP Program

#Id: 439

#Unit 2. Cellular Organization

H1 is most basic and heaviest

TLS Online TPP Program

#Id: 10132

#Unit 6. System Physiology – Plant

PIN7 and PIN3 are thought to redirect auxin back into vascular parenchymal tissue, where polar transport takes place.

TLS Online TPP Program

#Id: 2637

#Unit 13. Methods in Biology

Primer extension Using primer extension one can locate the 59-end of a transcript by hybridizing an oligonucleotide primer to the RNA of interest, extending the primer with reverse transcriptase to the 5’-end of the transcript, and electrophoresing the reverse transcript to determine its size