What are three ways a cell may respond when a signal molecule binds to a receptor protein?

Which taxon group is more specific, in regards to organisms that are in that group? mammalia animalia

Which of the following is not a food produced in rainforests? a) coffee b) cocoa c) avocados d) wheat

Which topic is most likely to be studied by bo which topic is most likely to be studied by botanist? insect metamorphosis, viral infection, plant growth, animal physiology