ASBT mRNA was located in what portion of the enterocytes?

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Study for the ACVIM Small Animal Internal Medicine Exam to enhance your veterinary knowledge. Prepare with flashcards and multiple-choice questions, featuring hints and explanations. Ensure success in your exam journey!

Multiple Choice

ASBT mRNA was located in what portion of the enterocytes?

Explanation:
Messenger RNA follows the path of gene expression: it is made in the nucleus and then exported to the cytoplasm for translation. For ASBT, the transcript is transcribed and processed in the nucleus, then travels to the cytoplasm where ribosomes translate it into the transporter protein. So ASBT mRNA would be present in both compartments—the nucleus during transcription and processing, and the cytoplasm during translation. The other options are not typical repositories for nuclear-encoded mRNA, since membranes like apical or basolateral surfaces are protein locations and mitochondria are separate with their own transcripts.

Messenger RNA follows the path of gene expression: it is made in the nucleus and then exported to the cytoplasm for translation. For ASBT, the transcript is transcribed and processed in the nucleus, then travels to the cytoplasm where ribosomes translate it into the transporter protein. So ASBT mRNA would be present in both compartments—the nucleus during transcription and processing, and the cytoplasm during translation. The other options are not typical repositories for nuclear-encoded mRNA, since membranes like apical or basolateral surfaces are protein locations and mitochondria are separate with their own transcripts.

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