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11 Cards in this Set

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gene segment of dna -->
transcribed into mRNA and translated to protein
transcription occurs in...
nucleus
mRNA
carrys code from DNA to ribosome for making protein
tRNA
carries AA to ribosome
rRNA
form proteins
DNA
sugar = deoxyribose
2 strands
4 bases: A,T,C,G
RNA
sugar = riboise
1 strand
4 bases - A,U, G,C
translation occurs in
cytoplasm at ribosomes
what does translation do?
makes proteins
mRNA pairs wiht RNA that has specific AA attached
3 base condon of mRNA pairs with 3 base anti-codon of tRNA
mutation caused by:
UV, gamma (most powerful), x-rays, toxic chemicals, spontaneous changes due to heat
3 types of mutations
1.substition (only affects one codon)
2.insertions (changes all after)
3.deletion