Biochemistry/Biomolecules Transamination Reaction Quiz
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Biochemistry/Biomolecules Transamination Reaction Quiz

Test your knowledge on the complex steps involved in a transamination reaction, which appears to be a simple transfer of an -NH3+ group between molecules. Understand the key components required for this biochemical process.

Created by
@LavishTulip4388

Questions and Answers

What is the coenzyme required for transamination reactions?

Pyridoxal phosphate

In transamination, the amino group of the amino acid is first transferred to which coenzyme?

Pyridoxal phosphate

Which vitamin is essential for the production of the coenzyme required in transamination reactions?

Vitamin B6

What is the ultimate fate of the amino groups collected through transamination reactions?

<p>Elimination from the body in the form of urea</p> Signup and view all the answers

Which molecule functions as an amino group donor for further processing of amino groups following transamination?

<p><strong>Glutamate</strong></p> Signup and view all the answers

What role does pyridoxal phosphate play in the transamination process?

<p><strong>Facilitates amino group transfer</strong></p> Signup and view all the answers

In a transamination reaction, what is interchanged between an a-amino acid and an a-keto acid?

<p>Amino group</p> Signup and view all the answers

Which enzyme is needed for a transamination reaction?

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

Which coenzyme is commonly accepted by most aminotransferases in transamination reactions?

<p>a-ketoglutarate</p> Signup and view all the answers

What is the primary chemical change that occurs in transamination reactions?

<p>Transfer of an amino group</p> Signup and view all the answers

What is not lost or gained during a transamination reaction?

<p>Amino groups</p> Signup and view all the answers

Why is transamination named as such?

<p>It involves transfer of an amino group</p> Signup and view all the answers

What is the primary function of the enzyme glutamate dehydrogenase discussed in the text?

<p>Facilitation of oxidative deamination</p> Signup and view all the answers

Which of the following accurately describes the role of aspartate in the urea cycle?

<p>Serving as an amino group carrier</p> Signup and view all the answers

What is the product of oxidative deamination of glutamate?

<p>NH4 + (ammonium ion)</p> Signup and view all the answers

Why is glutamate dehydrogenase considered unusual among enzymes?

<p>It can function with both NADP + and NAD+ as a coenzyme</p> Signup and view all the answers

Which organelles play a significant role in oxidative deamination reactions?

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

What is a key role of a-ketoglutarate in the process of oxidative deamination?

<p>Being reused in transamination reactions</p> Signup and view all the answers

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