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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
What is the root cap? The root cap is a protective structure located in the tip of the growing root. It protects the meristematic tissue of the root forming a cap that surround
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You are soon to be registered as a nurse and have applied to work in a unit where you will be caring for a diverse range of clients with medical and surgical complexities. You know
why phloem made of living cells
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Test for Venous Function Make patient stand, apply a tourniquet at mid-thigh firmly enough to occlude the superficial veins, but not the deep veins or the arteries.
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