1st defintion: Gene expression.
2nd definition: Transcription.
3rd defintion: Lac operon.
4th definition:
5th definition:
6th definition:
Answer:
D.A round-trip ride to school and back
Explanation:
A round-trip ride to school and back would produce a total Displacement of zero.
You start and stop at the same place.
Hope this helps!
Organization is not a characteristic of life