Explain the meaning of a repression lag, Biology

Assignment Help:

Which of the following most accurately explains the meaning of a repression lag?

A. A repression lag refers to the time that it takes for the last full-length mRNA transcript to be synthesized after transcriptional repression has been enforced.

B. A repression lag refers to the time that it takes for transcriptional repressors to be recruited to enhancer elements after transcription has been initiated.

C. A repression lag refers to the time that it takes for DNA methylation, histone methylation and histone de-acetylation to make the core promoter inaccessible to new RNA Pol II proteins.

D. A repression lag refers to the length of time that RNA Pol II is pauses (or stalls) at the +30 site

 


Related Discussions:- Explain the meaning of a repression lag

Rules followed by diabetic patient, Q Show Rules followed by diabetic patie...

Q Show Rules followed by diabetic patients? A  "sick day" is any health problem diabetic patient may have. This could include a common cold, infection, diarrhoea, fever, injury

Explain about the vitamin a - fat soluble vitamins, Explain about the Vitam...

Explain about the Vitamin A? Vitamin A, one of the fat soluble vitamins, refers to a sub-group of retinoid that possess the biological activity of all-trans-retinol. The term '

Writing have contributed to the survival of human beings, In what ways migh...

In what ways might (a) clothing, (b) housing, (c) writing, have contributed to the survival of human beings? a) Clothing and (b) housing provide warmth and shelter, and so hav

Obelia, why is it consideredto have an intermideate grade oforganisation

why is it consideredto have an intermideate grade oforganisation

Progeny of a single cross between two mountain rabbits, In mountain rabbits...

In mountain rabbits, the EL-1 gene is located on chromosome 3. Four alleles of this gene have been identified in the population. With respect to EL-1, what is the maximum number of

Embrylogical devlopment of hypospadias, Embrylogical Devlopment of Hypos...

Embrylogical Devlopment of Hypospadias The development of the penis and scrotum is intluenced by the testes. In the absence of the testes, the female structures of the

Explain nutrient and storage proteins, Nutrient and Storage proteins Th...

Nutrient and Storage proteins These proteins store amino acids. Ovalbumin is the protein of egg white, used as an amino acid source for the developing embryo. Casein, the prote

How are ecological interactions classified, How are ecological interactions...

How are ecological interactions classified? Ecological interactions are divided as intraspecific or interspecific interactions and as harmonious or inharmonious interactions.

What is karyotype, What is karyotype? Name the karyotype is given to th...

What is karyotype? Name the karyotype is given to the set of chromosomes of an individual, generally when visualized and identified under the microscope. The visualization in g

Tiny fraction of this water which is retained by the plant, Most of the wat...

Most of the water taken up by a plant passes through it and is evaporated to the atmosphere. What use is made of the tiny fraction of this water which is retained by the plant?

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd