Natural selection results in which of the following? a. adaptive change b. adaptive species c. adaptive evolution d. new species

Which class of organic compounds makes up the channels and pumps that move materials from one side of the cell membrane to the other? a.) carbohydrates b.) lipids c.) proteins d.) nucleic acids

In the water cycle , when does water undergo a chemical change

During dna replication, each strand of dna is used as a template to produce a complementary strand of dna. this process is shown below. which base will attach to location