Answer: The roots will produce a weak acid that dissolves the rock and does two important things (at least as far as the plant is concerned. hope this helps you :)
Explanation:
Cell culture useful biohisby and tissue culture testing
The chloroplast and the cell wall
The nitrogenous bases in DNA are adenine, guanine, thymine, and cytosine.
The nitrogenous bases in RNA are adenine, guanine, uracil, and cytosine.
So the base in RNA that is different than in DNA is uracil.
Hope this helps.
A ruler or a meter stick depending on its length.....