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Protein Synthesis · Paper 1 — Free Biology HL Practice Questions
1FoundationMCQTranscription and translation processes1 markPaper 1~2 min
A scientist adds antibiotic to a bacterial culture. Transcription and mRNA production continue normally, but no functional proteins are produced. Which process is most likely being inhibited by the antibiotic?
Solutions
2FoundationMCQTranscription and translation processes1 markPaper 1~2 min
A DNA template strand has the sequence 3'-TACCCAUATG-5'. During translation, a ribosome reads the mRNA transcribed from this sequence. How many amino acids are incorporated into the polypeptide before translation terminates?
Solutions
3MasteryMCQTranscription and translation processes1 markPaper 1~2 min
In a eukaryotic cell, a spliceosome fails to recognise the 5′ splice site of an intron in a pre-mRNA molecule. What is the most likely consequence for the mature mRNA produced?