A=2
B=red blood cells rely on catalase, catalase decomposes hydrogen peroxide
C=The effect of replacing his is that the hydrophobic amino acid would not do well with water
D= the hydrophobic amino acid is like oil and water and wouldn’t do well decomposing hydrogen peroxide
Because though there is a lot of available water, an ever shrinking 3% is freshwater, which comes from groundwater and streams. The ocean is salinated and in order for it to be fit to be used by humans for domestic needs or for drinking, it needs to undergo a huge desalination process which costs lots of money and time.
The nitrogen base will be uracil
Answer:
Chemical evolution is the formation of complex organic molecules from simpler inorganic molecules through chemical reactions in the oceans during the early history of the Earth.
It the first step in the development of life on this planet
HOPE IT HELPS!!!!