Answer:
Amino acids are the building blocks or monomers of proteins. These are the molecules that act as the precursors for the biosynthesis of various hormones some other molecules of our body. these amino acid molecules for by the process of protein synthesis.
The given amino acids are precursors of the following molecules-
1. Histamine - Histidine
2. Epinephrine - Tyrosine
3. Serotonin - Tryptophan
4. Glutathione - Cysteine, Glutamate and Glycine
5. Heme - Glycine
6. NAD(H) - Tryptophan
 
        
             
        
        
        
Answer:
Nearly all
Explanation:
We need the for helping with mechanical digestion and keep our mouth moist.
 
        
                    
             
        
        
        
The cartoon shows Metaphase I. 
Metaphase I has homologous chromosomes that line up at the middle while Metaphase II has single chromosomes that line up at the middle.