A promoter sequence is __________. 1) A DNA sequence that determines which genes

Question

A promoter sequence is __________. 1) A DNA sequence that determines which genes are turned on for coding. 2) in the beginning DNA sequence for old DNA molecules. 3) The initial set of bases showing where an Exon begins. 4) The DNA code that begins protein synthesis. 5) none of these A promoter sequence is __________. 1) A DNA sequence that determines which genes are turned on for coding. 2) in the beginning DNA sequence for old DNA molecules. 3) The initial set of bases showing where an Exon begins. 4) The DNA code that begins protein synthesis. 5) none of these 1) A DNA sequence that determines which genes are turned on for coding. 2) in the beginning DNA sequence for old DNA molecules. 3) The initial set of bases showing where an Exon begins. 4) The DNA code that begins protein synthesis. 5) none of these

Explanation / Answer

A DNA sequence that determines which genes are turned on for coding.

Promoter sequences are DNA sequences that define where transcription of a gene by RNA polymerase begins. Promoter sequences define the direction of transcription and indicate which DNA strands will be transcribed.

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