You're viewing 3 free preview questions for Biology HL — subscribe to unlock 58 more, plus the Full Question Bank, Mock Papers & Worksheets.Upgrade

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?
diagram

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?
diagram

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?
diagram

Solutions

Questions 4-61

Unlock these questions with Premium

Sign Up →

That's every free question here — 3 of 61.

+58 more questions, plus Mock Papers & Worksheets, are waiting in Premium.

Upgrade