What is the role of rna polymerase?

a. it transcribes the dna strand.
b. it bonds the dna strand.
c. it unzips the dna strand.
d. it translates the dna strand.

Radiometric dating is used to tell the absolute age of materials by studying the decay rate of radioactive isotopes. the decay rates of isotopes are constant and are expressed as .

Veronica and her little sister, monique, are playing on a seesaw. if veronica weighs 75 pounds, and monique weighs 60 pounds, which statement is true?

What are the three different shapes or structures shapes or structure of carbon-based molecules?