To suggest a function for the positively charged guanidium nitrogen atom involved in the splitting of argininosuccinate into arginine and fumarate should be determined. Concept introduction: The urea cycle is a series of biochemical reactions which involve the formation of urea (NH 2 ) 2 CO from the ammonia (NH 3 ). It is also known as the ornithine cycle. It helps in the excretion of toxic ammonia by converting into urea. This cycle takes place in ureotelic organisms.

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Chapter 23, Problem 19P

Interpretation Introduction

Interpretation:

To suggest a function for the positively charged guanidium nitrogen atom involved in the splitting of argininosuccinate into arginine and fumarate should be determined.

Concept introduction:

The urea cycle is a series of biochemical reactions which involve the formation of urea (NH₂)₂CO from the ammonia (NH₃). It is also known as the ornithine cycle. It helps in the excretion of toxic ammonia by converting into urea. This cycle takes place in ureotelic organisms.

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