Stress is defined as an unpleasant emotional state that results from a. the perception of danger b. overstimulation of the hippocampus c. the release of the neurotransmitter serotonin d. exposure to an evolutionary trigger

Wich organism obtains its energy from dead or decaying matter

Which statement best describes how the nucleus, the rough endoplasmic reticulum, and ribosomes interact during protein synthesis?

The scales shown in the introduction measure mass, or the amount of matter in a particular object. the scientific law of conservation of mass states that matter cannot be created or destroyed during a chemical reaction, but it can change from one form to another. did the simulation support this scientific law? explain why or why not.