0 0 votes The enzymes involved in ubiquitinylation of cell-cycle proteins are $\text{E}_{1}$ and $\text{E}_{2}$ Only $\text{E}_{1}$ and $\text{E}_{3}$ Only $\text{E}_{1}$ and $\text{E}_{4}$ Only $\text{E}_{1}$, $\text{E}_{2}$ and $\text{E}_{3}$ Molecular Biology and Genetics: gatebt-2022 biochemistry cell-biology molecular-biology-and-genetics enzymes + – Lakshman Bhaiya 1.5k points answer comment Share Follow 0 reply Please log in or register to add a comment.