Erythroblasts Isolated from a Bone Marrow Biopsy Sample of a Patient

question 26

Multiple Choice

Erythroblasts isolated from a bone marrow biopsy sample of a patient with neonatal jaundice are incubated in a medium containing radiolabeled glucose.  The cells are unable to generate NADPH from glucose metabolism but are able to convert fructose-6-phosphate to ribose-5-phosphate, which is required for nucleic acid synthesis.  Which of the following enzymes is essential for the latter conversion?

• A)Aconitase
• B)Enolase
• C)Glucose-6-phosphate dehydrogenase
• D)Glutathione reductase
• E)Transketolase

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Definitions:

Amygdala

A region of the brain involved in experiencing emotions, especially fear and pleasure.

Eating Behavior

The patterns or habits of eating, including what, when, and how much individuals consume, influenced by biological, psychological, and social factors.

Thirst

The basic sensation prompting the desire to drink liquids, resulting from dehydration or electrolyte imbalances in the body.

Digest

The process of breaking down food through mechanical and chemical means into substances that can be absorbed and assimilated by the body.