Answer:
Microbes and nutrients are put into the fermenter and air is bubbled through so that the microbes can respire aerobically
Explanation:
Paddle stirrers ensure that the microbes, nutrients and oxygen are well mixed and distributes the heat evenly.
Answer: pink-purple
Explanation: Biuret solution is used to identify the presence of protein. Biuret reagent is a blue solution that, when it reacts with protein, will change color to pink-purple.
It means a continental drift occurred
The answer is Body parts created <span>during the first trimester, and they complete their development during the third.</span>