Understanding Protein Synthesis Study Guide
A guide to the fundamental processes of molecular biology, covering DNA transcription, RNA processing, mRNA translation, and the genetic code. Learn how genetic information is converted into functional proteins.
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From DNA to Protein: Gene Expression
From DNA to Protein Synthesis
Genetic information flows from DNA to RNA to protein through the processes of transcription and translation.
- central dogma of molecular biology
- transcription
- translation
- RNA structure
- ribose
- uracil
- base-pairing
- RNA splicing
From DNA to Protein Synthesis: Gene Expression Explained
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Mechanisms of DNA Transcription
RNA polymerase catalyzes the formation of an RNA complement to a DNA template strand through initiation, elongation, and termination processes.
- RNA polymerase
- Transcription initiation
- Transcription elongation
- Transcription termination
- Template strand
- Coding strand
- Sigma factor
- Promoter
- Terminator
- Bacterial RNA polymerase
- Eukaryotic RNA polymerases
- General transcription factors
- TATA box
- TATA-binding protein (TBP)
- Nucleosomes
- Chromatin structure
- Elongation factors
Eukaryotic RNA Processing and Gene Expression
Eukaryotic RNAs are transcribed and processed simultaneously in the nucleus through capping, polyadenylation, and RNA splicing.
- polyadenylation
- RNA splicing
- exons
- introns
- spliceosome
- snRNPs
- alternative RNA splicing
- nuclear export
- transcription
- gene expression
- RNA polymerase II
- lariat structure
The Genetic Code and tRNA Adaptors
mRNA Translation and the Genetic Code
The nucleotide sequence of an mRNA is translated into the amino acid sequence of a protein via the genetic code using codons and tRNA molecules.
- genetic code
- codon
- stop codons
- initiation codon
- wobble effect
- reading frames
- anticodon
- aminoacyl-tRNA synthetase
- charging
- charged tRNA
mRNA Translation and the Genetic Code
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Ribosome Structure and the Translation Process
Ribosome Structure and Protein Translation
Ribosomes are large complexes of RNAs and proteins that facilitate protein synthesis through translation initiation, elongation, and termination.
- Ribosome structure
- Eukaryotic and prokaryotic ribosomes
- tRNA binding sites (A, P, and E sites)
- Translation initiation
- Translation elongation
- Translation termination
- Stop codons
- Polyribosomes
- Post-translational modifications
- Ubiquitin-Proteasome Pathway
- Protein degradation
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