Concept explainers
To draw: The structure of ornithine decarboxylase reaction product.
Concept introduction: Decarboxylation of ornithine is the irreversible step catalyzed by the enzyme ornithine decarboxylase for polyamine synthesis. Ornithine is a product of urea cycle that is converted to putrescine by the action of ornithine decarboxylase. This enzyme is essential for stabilization of the newly produced DNA through the synthesis of polyamine molecules. The absence of this enzyme causes DNA damage and apoptosis in cells.
To explain: How ornithine decarboxylase reaction product (putrescine) interacts with the DNA.
Concept introduction: Decarboxylation of ornithine is the irreversible step catalyzed by the enzyme ornithine decarboxylase for polyamine synthesis. Ornithine is a product of urea cycle that is converted to putrescine by the action of ornithine decarboxylase. This enzyme is essential for stabilization of the newly produced DNA through the synthesis of polyamine molecules. The absence of this enzyme causes DNA damage and apoptosis in cells.
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Chapter 24 Solutions
FUNDAMENTALS OF BIOCHEMISTRY-ACCESS
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