Which of the following anthophytes is a perennial?
a. corn
b. carrot
c. maple
d. wheat

What does polymerase chain reaction (pcr) do? o a. separates dna fragments by size o b. cuts a dna sample into fragments o c. provides an overall picture of a person's chromosomes o d. makes more copies of a sample of dna

Explain how the concentration gradient affects the process of atp synthesis

One drawback of dams is that they can flood land upstream from the dam and reduce water flow downstream from the dam. a. true b. false