The total amount of friction between the blood and the vessel wall, which makes it more difficult for the blood to flow, is called

Dna is the genetic material that makes up living things, and folic acid plays an important role in the information of dna. jon wants to study the effect of folic acid on dna formation in microbes. which statement accurately describes the variables in this study

In which case would a scientist choose to use a dissecting microscope rather than a compound microscope

Which would be the most useful source of evidence to support mcneill's contention?