When cells communicate by the signaling process, one cell produces a that must be received by the on or in the responding cell?

Did the vinegar diffuse all the way to the center of any of the cubes? if so, which ones? what does this tell you about surface area-to-volume ratio and the diffusion rate?

This problem has been solved! see the answerbuilding a sea wall to prevent ocean water from encroaching on a city is an example of climate change [ select ] ["sequestration", "mitigation", "vulnerability", "adaptation"] .creating a carbon tax to provide incentives to reduce co2 emissions is an example of climate change [ select ] ["sequestration", "mitigation", "vulnerability", "adaptation"] .planting more forests is an example of enhancing carbon [ select ] ["sequestration", "mitigation", "vulnerability", "adaptation"] .the tendency to be adversely affected or lack of ability to adapt defines climate change [ select ] ["sequestration", "mitigation", "vulnerability", "adaptation"] .sequestration, adaption, mitigation, vulnerability

Which three substances make up each of the smaller molecules that form proteins