Comparisons of the sequences of several bacterial sigma factors suggested conserved regions in E. coli s70  that interact directly with promoters DNA-binding regions of the sigma factor fold into independent domains in the protein regions 1.2, 2.3– 2.4, 3.0, and 4.1–4.2.

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#Id: 495

#Unit 2. Cellular Organization

Genome = Pool of genes or place or where gene are positioned or Chromosomes

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#Id: 496

#Unit 2. Cellular Organization

Genome is constant value or remain constant till new evolution break called C-Value sometimes G-value

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#Id: 497

#Unit 2. Cellular Organization

Part of genome which changes expression of genome called as mutable loci or sometimes GENES 

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#Id: 498

#Unit 2. Cellular Organization

Generally C-Value shows evolutionary status of organism or position on evolutionary tree

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#Id: 499

#Unit 2. Cellular Organization

For most cases, more number of chromosome or greater genome content = higher evolutionary status

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#Id: 500

#Unit 2. Cellular Organization

Exceptionally Amphibians and some flowering plants have greater amount of genome hence termed as PARADOX or C-Value Paradox