Genes are not uniformly distributed in the genome.

Regions longer than 500 kb where there are no ORFs called as deserts

The most gene-rich chromosomes have 10% of their sequences as deserts. So overall, 20% of the human genome consists of deserts that have no protein coding genes.

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#Id: 2560

#Unit 13. Methods in Biology

Genetic engineering has introduced site-specific mutations that enhance fluorescence intensity and shift the wavelength of the emitted light to different colors, thereby making it possible to simultaneously monitor the expression of two or more different genes.

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#Id: 5825

#Unit 7. System Physiology – Animal

Cortisol inhibits the production of interleukin-2 and the proliferation of T lymphocytes.

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#Id: 6895

#Unit 3. Fundamental Processes

UHRF1, that is important for the maintenance of methylation both locally and globally through its association with Dnmt1.

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#Id: 2322

#Unit 3. Fundamental Processes

Splicing complexes

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#Id: 6462

#Unit 3. Fundamental Processes

A typical gene transcribed by RNA polymerase II has a promoter that extends upstream from the site where transcription is initiated.