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Gene Expression: How DNA Becomes Protein Through Transcription and Translation
Explore the molecular processes of transcription and translation that convert genetic instructions in DNA into the proteins that drive all living functions.
What You'll Learn
Gene expression converts DNA instructions into functional proteins via two stages.
Transcription produces mRNA from DNA using RNA polymerase in the nucleus.
Translation assembles amino acids into polypeptides at ribosomes using codons.
The genetic code is universal, degenerate, and links codons to amino acids.
What You'll Practice
1
Students identify roles of RNA polymerase, ribosomes, and tRNA molecules.
2
Learners apply base-pairing rules to derive mRNA sequences from DNA.
3
Questions test understanding of codons, mutations, and the central dogma.
Why This Matters
Mastering gene expression and the processes of transcription and translation is essential for understanding how genetic information produces the proteins that govern all biological functions, forming the molecular foundation of medicine, genetics, and biotechnology.
This Unit Includes
Practice exercises
Learning resources
Skills
Transcription
Translation
Gene Expression
Genetic Code
Protein Synthesis
