Your answer is A, hope this helps
Answer:
In the 1970s, scientists isolated bacterial plasmids.
Explanation:
I had this question...
I put “Today, genes can be isolated, identified, and cloned (copied over and over), then inserted into other organisms to alter their traits.” And I got it wrong
this is what makes sense
The best way to minimize misunderstandings is to remove the restoration in the medium between the speaker and the listener.
I believe the pronoun "what" is already properly placed.
