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8 Questions

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Deamination Process in Metabolism

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Questions and Answers

What is the primary result of deamination of amino acids?

Ketones

Cholesterol

Glucose

Ammonia (NH3) (correct)

Which vitamin coenzyme is required for transamination reactions?

Vitamin B6 (correct)

Vitamin C

Vitamin D

Vitamin B12

What is the outcome of condensation between two amino acids?

Conversion to ketones

Production of cholesterol

Release of ammonia

Formation of a dipeptide (correct)

What can keto acids resulting from deamination be used for?

Energy production Signup and view all the answers

What are the two products resulting from deamination of amino acids?

Ammonia (NH3) and carbon structure without amino group Signup and view all the answers

What are the two products of deamination and what can they be used for?

The two products of deamination are ammonia (NH3) and a keto acid. Ammonia can be toxic and needs to be converted to urea in the liver for excretion. The keto acid can enter metabolic pathways for energy production, glucose production, or the synthesis of molecules like ketones, cholesterol, or fat. Signup and view all the answers

What is the role of vitamin B6 in transamination reactions, and how does it contribute to the formation of new amino acids?

Vitamin B6 acts as a coenzyme in transamination reactions, facilitating the transfer of amino groups from an amino acid to a keto acid. This transfer results in the formation of a new nonessential amino acid and a new keto acid. Signup and view all the answers

Describe the process of condensation between two amino acids and the resulting molecule. What are the implications of this process in protein synthesis?

Condensation involves the joining of an OH group from the acid end of one amino acid and an H atom from the amino group of another, to form a molecule of water. This forms a dipeptide, which is a building block of proteins. The repeated condensation of amino acids forms polypeptide chains, which ultimately contribute to the structure and function of proteins. Signup and view all the answers