what is the answer
by
edited by

Your answer

Your name to display (optional):
Privacy: Your email address will only be used for sending these notifications.
Anti-spam verification:
To avoid this verification in future, please log in or register.

1 Answer

 

The cell membrane is semi-permeable and allow only certain things to pass in and out of the cell.

by Level 3 User (8.5k points)

Related questions

1,290 questions
1,126 answers
30 comments
9,786 users