Identify the urinary structure outlined in RED and indicated by the RED ARROW.  

As a protein is broken down into smaller and smaller fragments, each fragment ultimately requires splitting of the last peptide bond within it. The breaking of the bond between those last two amino acids is catalyzed by the enzyme

EXTRA CREDIT Which of the following plays the biggest role in buffering acids outside of cells?

EXTRA CREDIT The bicarbonate system is composed of H2CO3 and HCO-3. Which statement accurately describes these molecules?

The process of Meiosis II is identical to Mitosis.

A cell that contains 23 pairs of chromosomes is

The respiratory membrane is thinnest in the ______________

All of the blood that enters the area of the nephron from the renal artery is filtered with each pass.

In order for a state of fluid balance to be achieved, obligatory water loss must equal facultative water loss.

Which of the following factors helps maintain lung inflation?