The result of binding a signal molecule to its receptor isproduction of a protein by the target cell, followed by cell death. cell division. signal transduction. release of a neurotransmitter.

An ecologist is studying the effects that a population of predators is having on a population of a prey. he used data from the field to produce this graph. which conclusion can draw from the graph?

In an experiment examining the effects tai chi on arthritis pain, callahan (2010) selected a large sample of individuals with doctor-diagnosed arthritis. half of the participants immediately began a tai chi course and the other half (the control group) waited 8 weeks before beginning. at the end of 8 weeks, the individuals who had experienced tai chi had less arthritis pain that those who had not participated in the course.

Which of the following is the earliest era of earth's geologic time scale? cenozoic mesozoic precambrian paleozoic