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The first product of genome expression is transcriptome but what happens if the RNA of the genes are not activated at a certain time?
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Solved in 2 steps
- Chromatin decompaction is a preliminary step in gene expression (Figure 29.48). How is chromatin decompacted?Which of the following scenario will result in greater consequences in terms of gene expression? insertion or deletion of one nucleotide insertion or deletion of three nucleotides Explain why.what is meant by gene expression and which are the 5 most regulated steps in this process, explain each step?
- What happens when one base pair of DNA is lost from the coding region of a gene because of mutation? First explain how this would affect the mRNA sequence, and second, explain how this would alter the amino acid of the protein that is encoded.In the gene in the fruit fly (Drosophila) called antennepedia. It controls the formation of which structures? What happens when it is mutated?Which of the following gene expression regulatory mechanisms saves the most energy but takes the longest to fully express the genes once signaled? a. transcriptional regulation b. post-transcriptional regulation c. post-translational regulation d. translational regulation
- What is dominant control mechanism of gene expression? explain the following image.What is effect of turning on and off of genes? How do we measure gene expression? What is gene regulation, explain extensively?Many genes generate different products depending on the type of cell expressing the gene. How is this phenomenon accomplished?
- Which of the following is an example of post-transcriptionalcontrol of gene expression?(A) the addition of methyl groups to cytosine bases of DNA(B) the binding of transcription factors to a promoter(C) the removal of introns and alternative splicing of exons(D) gene amplification contributing to cancerHow is gene expression similar to DNA replication, and how is it different? Give at least one similarity and one difference.Regulation of Gene Expression by Chromatin Modification is Local and Dynamic! What does the statement above mean?
