Q1. While muscle cells undergo anaerobic respiration, they become fatigued and painful. It was once believed lactic acid build-up was the cause, but it is now known to be caused by?

Q2. Biological recognition is significant in many processes explain how the process of recognition occurs while an organism recognizes other members of their own species?

Q3. Describe a controlled experiment that might have produced the data shown for either temperature or pH. Be sure to sate hypothesis that was tested here.