Answer:
a
Explanation:
its a semi permeable membrane. it chooses what can go in and out so nothing bad happens.
<span>Franklin was responsible in getting sets of high-resultion images of crystalline DNA strands which can make out conclusions about its fundamental structures and the groups that consist the genetic material. frankin through her works disproved that women are mere distractions from work and stress. </span>
If you don’t, you’ll either pass out or die.
