Transcribe the following gene into mrna.

t a c g c g t a a t c a c g t c c t g t c a t c

Most animal cells membranes have proteins that pump ions out of the cell and potassium ions into the cell

Hershey and chase confirmed that dna, not protein, was the genetic material. how do the results of their two experiments support this conclusion?

Compare the shapes of the bones of the human skull with the shapes of the bones of the human leg. how do the shapes differ? why are the shapes important?