Initiation of transcription:
Correct answer: A. Sigma factor
- A. Sigma factor
- B. GC + AT base pairs
- C. U ribonucleotide
- D. Core enzyme
Explanation
It is a protein in prokaryotic organisms (such as bacteria) that assists RNA polymerase in recognizing the promoter region of a gene, thereby initiating transcription.
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About Chromosomes
Chromosomes are DNA-protein structures that carry genes and become visible during cell division. Coverage includes chromatin, centromeres, sister chromatids, homologous chromosomes, chromosome number, and the distinction between diploid and haploid cells, with links to DNA replication, mitosis and meiosis.
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