B because it takes in nutrients through endocytosis so the membrane opens up and envelopes the nutrients
TB. It is open to change.he thing about science is that a discovery may be made today and written up but by tomorrow something else is found that edifies what was found or proves it incorrect or make it obsolete. .Therefore the answer is <span>B. It is open to change</span>
For breaking down lactose
Check on google they will give you the answer and others descriptions