The majority of signal molecules are peptides and small proteins. Both are made of a chain of amino acids, the difference being the number of amino acids that make up the molecule. Generally, if the signal molecules has fewer than 50 amino acids it is considered a peptide. If it has more it is considered a protein.
It will mix together 1
2 the water
3 it was dense
4 it will still settle together
I think it is Coal mining becuase it says it on goegle
Answer:
2. compounds: h2o, o2, c6 h12 o6, co2
Explanation:
2. compounds: h2o, o2, c6 h12 o6, co2
