![OpenStax Biology 2e](https://img.oercommons.org/160x134/microsite-oh-prod/media/courseware/course/image/courseware-courseware-16.png)
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- Material Type:
- Full Course
- Provider:
- Rice University
- Provider Set:
- OpenStax College
- Date Added:
- 03/07/2018
By the end of this section, you will be able to do the following:
Describe four types of signaling mechanisms found in multicellular organisms
Compare internal receptors with cell-surface receptors
Recognize the relationship between a ligand’s structure and its mechanism of action