This organelle serves to process and package lipids and proteins in small pinched-off vesicles.

The influenza virus cause the flu, but not other diseases. why?

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.

Sequence how oxygen accumulated in the atmosphere and the effect it had on life by completing the flowchart