Webografie

 

https://ro.wikipedia.org/wiki/Celul%C4%83_(biologie)

https://manuale.edu.ro/manuale/Clasa%20a%20XI-a/Biologie/Corint1/A367.pdf

https://www.pngegg.com/ro/png-eucok

https://en.wikipedia.org/wiki/Membrane_transport

https://lectiadebiologie.wordpress.com/2016/05/23/celula-structura-proprietati/

https://anatomie.romedic.ro/celula