Animals such as bears that consume both plants and other animals are referred to as

The carrier molecules of the electron transport system are located in the

Which organ controls breathing? lungs alveoli heart diaphragm

Question 17 (1 point) where does penicillin come from? a. it is a chemical that man invented b. it is a fungus c. it is a toxin made by other bacteria d. it was discovered in archaebacteria