Practice Quiz

MCAT Biology

Category - Biology

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The mold Aspergillus flavus grows on grain. A. flavus produces a toxin that binds to DNA in the bodies of animals that eat the grain. The binding of the toxin to DNA blocks transcription, so it directly interferes with the ability of an animal cell to do which of the following?
  1. transport glucose across the cell membrane into the cytoplasm
  2. produce ATP using energy released from glucose and other nutrients
  3. transfer proteins from the endoplasmic reticulum to Golgi complexes
  4. send protein-building instructions from the nucleus to the cytoplasm and ribosomes
Explanation
Answer: D - send protein-building instructions from the nucleus to the cytoplasm and ribosomes.
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