How do you know that living things are made of one or more cells .edc?

Penelope studies how the structure and function of the nervous system is related to behavior. she is a psychologist

Where can a dna be found in a prokaryotic cell

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.