Answer:
The correct answer is "stress relaxation response."
Explanation:
Smooth muscle cells relaxes after being stretched which is called "stress relaxation response". If we explain it a bit further, smooth muscle cells lack gap junctions and because that contraction of a single cell doesn't spread to adjacent cell resulting with no strong contraction.
Viruses are a form of living parasites that only thrive in hosts to reproduce and spread.
2c would be transcription because it is the first step in building proteins. and 3 would be translation because the information is being carried to mRNA
I believe the answer is photon