Functions (Leaving Cert Biology): Flashcards
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15 cards from this deck
Molecular basis of all life
Molecular basis of all life
DNA and RNA
Three main functions of DNA
Three main functions of DNA
Store genetic info, replicate (copy itself), make proteins
What DNA stores
What DNA stores
Genetic information/instructions
What a gene provides instructions for
What a gene provides instructions for
Making a specific protein
DNA replication
DNA replication
Process of DNA making exact copies of itself
Gene expression
Gene expression
Process by which gene causes production of specific protein
Central dogma pathway
Central dogma pathway
DNA → RNA → protein
RNA's primary function
RNA's primary function
Transport genetic info from DNA to cytoplasm
Where ribosomes are located
Where ribosomes are located
Cytoplasm
What RNA does at ribosomes
What RNA does at ribosomes
Directs assembly of amino acids into protein
Codons (triplets)
Codons (triplets)
Groups of three bases that specify amino acids
Start codon function
Start codon function
Marks beginning of a gene
Stop codon function
Stop codon function
Marks end of a gene
Transcription
Transcription
DNA gene copied to make RNA in nucleus
Translation
Translation
RNA read at ribosome to assemble amino acids into protein