There's a couple I think it could be.....I'm gonna go with syphilis??
The electrical property of the membrane changes. There is a small undershoot in the membrane potential.
A chromosome can be found in a molecules (which is in a cell).A chromosome is like a thread and it carries a living things genetic info.<span />
A controlled experiment is the type of experiment when <span>two experiments are identical except for one variable. So the word missing is Controlled experiment. Hope this helps</span>
