Protein Metabolism Waste Products
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Questions and Answers

What are the two classes of waste products of protein metabolism?

Nitrogenous and non-nitrogenous

Which waste products are considered non-nitrogenous?

Carbon dioxide and water

What is the major nitrogenous waste product in the body?

Urea

Where is urea formed in the body?

<p>Liver</p> Signup and view all the answers

What is the first step in the metabolism of most amino acids?

<p>Removal of the α-amino group by transamination</p> Signup and view all the answers

How are the carbon skeletons from the majority of amino acids degraded?

<p>To Krebs cycle intermediates after removal of the amino group by transamination</p> Signup and view all the answers

What term is used for amino acids that can give rise to blood glucose via the gluconeogenic pathway?

<p>Glycogenic amino acids</p> Signup and view all the answers

Why are some amino acids termed 'glycogenic'?

<p>They can give rise to blood glucose via the gluconeogenic pathway</p> Signup and view all the answers

What is the function of the kidneys in excreting protein waste products?

<p>Excreting urea and other waste products in the urine</p> Signup and view all the answers

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