Describe the most likely role of egf and the role of egfr in a cell signaling pathway. Describe how the cellular response to egf results in tissue repair.

Katie and her father are looking at the pipes around their house. they find that some of the pipes have rust on them, making them look and feel different than normal pipes. what kind of change have the rusted pipes gone through? a. a physical change b. a vibration change c. a chemical change d. a temperature change