The molecules represented in the diagram below can interact to cause a biochemical process to occur. Molecule A and molecule B most likely represent

Pneumocystis is an organism normally found in the human lungs that can cause pneumonia. It seldom causes problems in individuals with healthy immune systems. However, people with AIDS sometimes become seriously ill with pneumonia. This is most likely due to the fact that individuals with AIDS have

Rabbits have evolved strategies that get them through periods of time when there is little food. The diagram below represents essential life functions that rabbits need to perform. Which life function in the diagram could be eliminated without affecting an individual rabbit’s ability to survive when food is scarce?