Compare primary consumer vs. secondary consumer

If the nucleus of a cell was removed the cell wouldn’t be able to make proteins because

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.

What could happen if two base pairs on a strand of dna or switched