Urea cycle — Flashcards

Where in the cell does the urea cycle begin? _____

Which tissue/organ uses NH3 as its major transport form of NH3? _____

In the intestine, NH3 may be produced via the breakdown of the amino acid _____

Carbamoyl phosphate synthetase I is regulated via positive feedback by _____

Most disorders of the urea cycle require _____ as an essential amino acid, particularly during episodes of hyperammonemia

What class of enzymes is used in the transfer of amino groups during nitrogen metabolism?

Part of the treatment for hyperammonemia is limiting _____ in the diet

Urease positive organisms hydrolyze urea to _____, causing urine alkalinization

Hyperammonemia results in excess NH3, which depletes _____, leading to inhibition of the TCA cycle

When an amino acid is metabolized, it is broken down into a carbon skeleton and _____ (highly toxic)