Answer:
The government lol, but seriously, the government are the ones who assemble the virus and us as regular citizens, we are the guinea pigs. It’s a sad world we are living in. Now as far as virus related to science, they are created in labs by scientists as an conducted experiment.
All living organisms are made of only 20 different aminoacids- this is the correct answer! This means that the genetic code only codes for those 20 aminoacids (for example Glutamine and Lysine).
The 20 aminoacids that can form proteins are also called Proteinogenic amino acids.
It is an order to reduce pain and soreness after exercise