DNA: The Code of Life (Grade 12 NSC Matric Life Sciences): Flashcards
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Protein synthesis
Protein synthesis
Process cells use to create proteins from DNA instructions
Amino acids
Amino acids
Building blocks joined together to make proteins
Transcription
Transcription
1st stage: cell makes mRNA copy of DNA instructions
Translation
Translation
2nd stage: mRNA used to build protein
Codons
Codons
Three-base groups on mRNA specifying amino acids
Anti-codons
Anti-codons
Three-base groups on tRNA complementary to mRNA codons
Location of transcription
Location of transcription
Nucleus
Location of translation
Location of translation
Cytoplasm
Number of amino acid types body uses
Number of amino acid types body uses
20 different types
Peptide bonds
Peptide bonds
Connections between amino acids in proteins