What are the key players in photosynthesis?

In which case would a scientist choose to use a dissecting microscope rather than a compound microscope

Witch theory suggests all living things are made up of cell or cells

Nephrons, the functional unit of kidneys, are responsible for formation of urine. the sentences describe situations that are the result of problems in the urine formation process. for the nephron shown below, match each situation to the step in the urine formation process where the problem lies.