CAAT and GC box are ________________(a) stop codons(b) promoter sequences(c) inhibitor sequences(d) operator sequencesI got this question in quiz.The query is from Gene Expression Control topic in chapter Control of Gene Expression of Cell Biology

CAAT and GC box are ________________(a) stop codons(b) promoter sequen

1.	CAAT and GC box are ________________(a) stop codons(b) promoter sequences(c) inhibitor sequences(d) operator sequencesI got this question in quiz.The query is from Gene Expression Control topic in chapter Control of Gene Expression of Cell Biology
Answer» Right answer is (B) promoter sequences The best I can explain: Like TATA box, CAAT and GC box are SHORT promoter sequences that are located farther upstream of the gene. These sequences are OFTEN required by the polymerase to initiate TRANSCRIPTION of the gene.

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