Levels of eukaryotic gene regulation I Complete the following paragraph to descr

Question

Levels of eukaryotic gene regulation I Complete the following paragraph to describe the various levels of gene control utilized by eukaryotes nbosomalEukaryotc organisms exbit control of gene expression at levels. MRNA five First, utilization of DNA and chromatin packing keeps genes blocked ook control Posttr translational DN binding proteins, called transcription factors and activators, are responsible for level control of gene expression, as they are required for the initiation of and the rate at which this process occurs. methylation processing, including alternate splicing, as well as differences in the rate at which the mature mRNA enters the cytoplasm. Stability of mRNA in the cytoplasm dictates how much gene product will be translated, and such control of gene expression can be altered by or the structure of the poly-A tail or guanine cap on the presence of onal Posttranslational control can regulate the activity of a newly synthesized protein by phosphorylation of the molecule or through protein folding mechanisms. Reset

Explanation / Answer

1. Eukaryotic organisms exhibit control of gene expression at five different levels.

2. First , utilization of DNA methylation and chromatin packing keeps genes blocked through pretranscriptional control.

3. DNA binding proteins , called transcriptional factors and activators , are responsible for establishing transcriptional level control of gene expression , as they are required for the initiation of and the rate at which this process occur.

4. Posttrancriptional control is generated through variations in mRNA processing , including alternate splicing, as well as differences in the rate at which the mature mRNA enters the cytoplasm.

5. The stability of mRNA in the cytoplasm dictates how much gene product will be transcribed , and such translational control of gene expression can be altered by the presence of enzymes or the structure of poly - A tail or guanine cap on the mature mRNA molecule .

6. Posttranslational can regulate the activity of a newly synthesized protein by phosphorylation of the molecule or through protein folding mechanisms.

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