Ronaldo was born without the ability to experience pain, though he can perceive temperature differences and changes in pressure. what is his condition called?

Stephen is a student who wants to test his knowledge of medical terminology. which option could he use?

Why are common names a problem for scientist?

Dna and rna share a number of similarities, but they also differ in certain aspects of their structure. wich nitrogenous base is found in rna but is not found in dna