A glucagon hormone is a molecule that stimulates a reaction inside liver cells. Based on the diagram, where do you think a glucagon hormone most likely binds to send its signal to the cell?

Forces that are equal in strength but opposite in direction are a.) balanced b.) unbalanced c.) always result in motion d.) do not exist

The fruit of a certain plant is sweet and fleshy. the seeds of this plant have a seed coat that is fairly tough. the seeds germinate better if they are exposed to acid, or scarification. what is the most likely type of dispersal for this seed? water animal wind

9. the history of life on earth is recorded in