Biologia IBPaper 1A, maj 2026, TZ1wzorowane1 pktzamkniętełatwe (szac.)
A liver cell reduces the amount of a particular enzyme after it is no longer needed. Which process limits further synthesis by removing the existing message? A. A nuclease degrades the enzyme-coding mRNA B. A protease converts the promoter into a silencer C. A…
Biologia IBPaper 1A, listopad 2025, TZ3wzorowane1 pktzamkniętełatwe (szac.)
A nuclease breaks down a particular mRNA molecule. What is the direct consequence? A. Its gene is removed from DNA B. Its ribosome becomes a lysosome C. Transcription of every gene stops D. That mRNA can no longer serve as an intact template for translation