What two functional groups are bound to the central carbon of every free amino acid monomer? a. an r-group and a hydroxyl group b. an n-h group and a carbonyl group c. an amino group and a hydroxyl group d. an amino group and a carboxyl group?

Prior to the development of dna fingerprinting, blood type could be used to determine possible parentage. although it might prove someone was not a parent, it could not show if someone was positively the parent, only that he or she might be a parent. which of the following is a true statement that can be made about parentage based on blood typing?

Does mitochondria still meet the definition of a eukaryote why or why not?

Which statement describes john tuzo wilson’s contribution to the theory of plate tectonics?