Pretty sure its false, will get back to you c:
I believe it's feeding relationships between different organisms
A channel protein serves as a tunnel across the membrane into the cell. More specifically, channel proteins help molecules across the membrane via passive transport, a process called facilitated diffusion. These channel proteins are responsible for bringing in ions and other small molecules into the cell
The animalia. plantae, and protista are all kingdoms. This will make the correct answer B.
