The first step a biologist takes when deciding how to study life is to a. do an experiment b. write a paper c. make an observation d. make a hypothesis

What is the problem in this article? what solution does the article propose?

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

List five ways we are indebted to phytoplankton