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g DNA sequences that are deduced by comparing many related DNA sequences are called _____________. [ Choose ] Unlike DNA synthesis, RNA synthesis requires ______________. [ Choose ] ______________ direct RNA polymerase to the initiation site.

Sagot :

luisvaschetto

Answer:

consensus sequences; no primer; promoters

Explanation:

In bioinformatics, consensus sequences refer to sequences (i.e. DNA, RNA, or amino acids) that represent aligned related sequences (usually evolutionarily conserved sequences). In DNA, consensus sequences may evidence putative DNA binding sites. Transcription refers to the process of RNA synthesis by using as a template a DNA sequence. The start of DNA synthesis requires a primer (i.e. a short oligonucleotide sequence with an available hydroxyl group on the pentose sugar), whereas RNA synthesis requires no primer. Finally, promoters are DNA sequences that determine the site in which transcription of a gene by the RNA Polymerase begins. Promoter sequences are located near the transcription start site (TSS) at the 5'-end of a gene sequence, and range in size from 100 to 1000 base pairs (bp).

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