Answer:
frameshift mutation (i think)
Explanation:
because it messes up the whole strand by deleting or inserting a base. honestly not 100% sure so take this with a grain of salt lol
Cell Membrane because it transport nutrients into the cells and also transport toxic substances out of the cell .
Answer:
Independent variable - time. Dependent variable - the distance moved by the bubble along the capillary tube. Control variables - temperature, air flow or draughts, adequate supply of water.
I think it’s zero, it might be zero