In case of Low trp concentration, RNA polymerase continues to EDCBA genes where new ribosome get attached to AUG of polycistronic genes

TLS Online TPP Program

#Id: 516

#Unit 2. Cellular Organization

Escherichia coli K-12 is 4.6Mb genome with 4400 genes so gene density 950 genes/Mb.

TLS Online TPP Program

#Id: 517

#Unit 2. Cellular Organization

Homo sapiens has 3200 Mb genome in which 20,000 genes are present so Gene density will be 6.25 genes/Mb.

TLS Online TPP Program

#Id: 518

#Unit 2. Cellular Organization

Gene density has inverse relation with complexity of genome.

TLS Online TPP Program

#Id: 519

#Unit 2. Cellular Organization

Escherichia coli K-12 with 950 gene/Mb gene density has 0 introns in genome and less than 1% repetitive sequences

TLS Online TPP Program

#Id: 520

#Unit 2. Cellular Organization

Humans have 6.25 gene/Mb gene density has avarege of 6 introns in genome and less than 46% repetitive sequences.

TLS Online TPP Program

#Id: 521

#Unit 2. Cellular Organization

Yeast genes are short, but genes in flies and mammals have a dispersed bimodal distribution extending to very long sizes.