5. Why scientists believe that all organisms are related to one common ancestor (use CER format)

Six amino acids have side chains that are polar but not charged. these are serine (ser), threonine (thr), cysteine (cys), asparagine (asn), glutamine (gln), and tyrosine (tyr). these amino acids are usually found at the surface of proteins, as discussed in the proteins 2 module.

The bags should be yellow i believe

He used pea plants to study the patterns of heredity.