Ask your own question, for FREE!
Mathematics 15 Online
OpenStudy (anonymous):

__________ form channels in the cell membrane to allow certain molecules to pass into and out of the cell. A. Nuclei B. Proteins C. Carbohydrates D. Vacuoles

OpenStudy (kinggeorge):

Do not post off-topic questions please.

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!