KROK 1 2010 – Question 11 · KROK (Medicine) · Biological Chemistry

A patient has low rate of magnesium ions that are necessary for affixion of ribosomes to the endoplasmic reticulum. It is known that it causes disturbance of protein biosynthesis. At what stage is protein biosynthesis impaired?

  1. A. Replication
  2. B. Amino acid activation
  3. C. Termination
  4. D. Translation
  5. E. Transcription
Hint

Think about which stage of protein biosynthesis is carried out by the ribosome itself, and what a ribosome needs in order to assemble and stay attached to its membrane.

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