Which of the following is an example of a transcription factor?

Question

a.The ligand signaling of a G protein. b.The ligand signaling of a channel protein . c.The creation of cAMP in signal transduction. d.The positive feedback loop as a result of the SrY gene.

Answer 1

The correct answer would be option D.

The SrY gene also known as sex-determining region Y is located in the short arm of Y chromosome. It is responsible for male sex determination in mamals. The SrY gene encodes a protein known as HMG (high mobility group) which acts as a transcription factor by binding to the promoter region of double-stranded DNA and bending the DNA.