Genetic code and cell function
Provides a mindmap of key terms taken from markscheme.
- Created by: Sara
- Created on: 21-03-13 19:07
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- Genetic Code and Cell Function
- Transcription
- DNA unzips
- Genes exposed
- RNA nucleotides align
- RNA polymerase
- mRNA formed
- U-A, A-T, C-G, G-C
- Translation
- mRNA attaches to ribosome
- tRNA brings amino acid
- tRNA attached to specific amino acid
- tRNA binds to mRNA - complementary
- Peptide bond formed
- mRNA sequence determines sequence of amino acids
- mRNA
- DNA
- transcribed
- long term
- template
- leaves nucleus
- translated
- short term
- DNA
- tRNA
- Anti codon to codon on DNA
- Ribosomes on DNA translate
- Start codon
- Protein attaches to DNA as promoter
- Allows RNA to bind
- Stop codon
- Marks end of gene
- Does not code for amino acid
- RNA interference
- RNA combines with mRNA
- stops translation
- stops protein synthesis
- Mutations
- Changes DNA
- Makes different mRNA
- Transcription
- Different tRNAs line up
- Translation
- Different enzyme/protein
- Enzymes
- Globular protein
- DNA provides primary structure
- Secondary - alpha helix, beta pleated sheet
- Tertiary - folding/bonding, 3D structure
- Transcription
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