To turn the fluorescent protein off, and watch what happened in "chase" the researchers simply.... Tetracycline to the mouse food. And no more fluorescent protein was made in the skin.
Added / had added
Which one is correct and why.
There seems no reason for the complication of the past perfect. Just use "added". You need a comma after "chase", but I don't understand "watch what happened in 'chase'", and, on the face of it, it doesn't look right.
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There seems no reason for the complication of the past perfect. Just use "added".
You need a comma after "chase", but I don't understand "watch what happened in 'chase'", and, on the face of it, it doesn't look right. More information about what "chase" refers to is needed.
Starting a sentence with "And" doesn't seem appropriate for this kind of scientific writing.