TLS Online TPP Program

#Question id: 4718


All the following statements about destruction of cyclins are true, except:

#Section 3: Genetics, Cellular and Molecular Biology
  1. Destruction is carried out by proteasomes.

  2. Destruction is preceded by polyubiquitination.

  3. Ubiquitination occurs at specific sites on target molecules.

  4. Ubiquitin targets Cdks.