Adrug that blocks the action of the neurotransmitter is called a. an alpha drug b. an antagonist c. an agonist drug d. a beta drug

Which of the following molecules can be broken down into simple sugars? a. nucleic acid b. protein c. lipid d. carbohydrate

When a population split into two subgroups what is most likely to cause the subgroups to develop different traits?

When mitochondrial dna from living relatives was compared with mitochondrial dna from the skeletons, scientisits determined that skeletons 3,4,5,6 and 7 were members of the romanov family. which of these skeletons can be identified by name based on the evidence you have? explain your answer.