Pluripotent genes are activated in injured tissue cells and play important role in regeneration.
In the above sentence, should "play" be changed to "played" for parallel construction. Pls help.
Pluripotent genes are activated in injured tissue cells and play important role in regeneration.
In the above sentence, should "play" be changed to "played" for parallel construction. Pls help.
No, because they continue to play an important role after being activated. This sentence describes a sequence of actions which happen one after another, rather than two things happening in parallel.
Also, it should be play an important role.