Chapter 17

Gene Expression: From Gene to Protein

Understand how genes make proteins. Master the central dogma - one of the highest-yield topics for all biology exams.

10 Hours

Olympiad 5/5

Advanced

NEETRequired

MCATRequired

AP BiologyRequired

IB BiologyRequired

USABO

5/5

BBO

5/5

INBO

5/5

IBO

5/5

Key Topics Covered

Central dogma of molecular biology

Transcription in prokaryotes and eukaryotes

RNA processing

Translation mechanism

Genetic code and mutations

Explain transcription steps and regulation

Describe RNA processing in eukaryotes

Trace translation from initiation to termination

Interpret genetic code and predict mutation effects

Critical! Transcription, translation, and genetic code questions appear every year with 5-8% weightage.

Olympiads test codon usage bias, wobble hypothesis, post-translational modifications, and ribosome structure details.

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