418,352 views
7 votes
7 votes
Does anybody know what A is?

Does anybody know what A is?-example-1
User VorpalSword
by
2.8k points

2 Answers

21 votes
21 votes
It’s either cell membrane or cell walls
User Dewey
by
3.1k points
29 votes
29 votes

A: cell membrane.........

User Tasos
by
3.0k points