The answer is b - dna to rna to protiens
<span>Well active transport absolutely moves substances against their concentration gradient (answer C), although I dislike how the other answers could probably be argued for. This seems to be a case of pick the "best" answer</span>
The answer is the cell membrane. The cell membrane controls what nutrients come in, and what unneeded material comes out. It protects the cell from anything that might come in and harm it. It is kind of like the security guard. A security guard let's the good people in and keeps the bad people out.
The correct answer is: Galaxies in the universe are moving away from the earth.
An earthworm removes undigested food by either throwing it up, or getting rid of it from the other end. Hope I helped! ;-)
