DNA is a polymer built of many monomers. What is the monomer unit used to build a DNA molecule?

Amniocentesis is a process in which amniotic fluid is taken from the mother's womb to identify any genetic abnormalities in the fetus. how would the discovery of the human genome contribute to this process?

This group of organisms perform the process of ammonifcation. a. herbivores b. decomposers c. carnivores c. plants

How do living things obtain phosphorus