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- How would you explain gene expression? How is it that a particular genotype is actually expressed as a phenotype? I am looking for details here, including an explanation of the molecular mechanisms involved.Describe how controlling gene expression will alter the overall protein levels in the cell.explain which controls over gene expression are likely to be very brief, which may be long lasting, and why they differ?
- What are three reasons why gene expression might vary across time and across different parts of the body?Explain and Give examples of mutations that can have global effects on gene expression.Many aspects of gene function can be nicely explained with the one-gene-one-enzyme hypothesis, which states that a gene controls the production of an enzyme. Which of the following findings about gene expression, though, requires an expansion of this simple concept? Choose an answer below: Non-enzyme proteins are made from genes too. Some genes code for RNA molecules only. Enzymes composed of different polypeptides are coded for by more than one gene. a and c, but not b a, b, and c
- Describe two different types of pre-transcriptional control of gene expression? Give an example of each type.Explain how DNA methylation can regulate gene expression in a tissue-specific way. When and where would de novo methylation occur,and when would demethylation occur? What would occur in the cellsthat give rise to eggs and sperm?Many aspects of gene function can be nicely explained with the one- gene-one-enzyme hypothesis, which states that a gene controls the production of an enzyme. Which of the following findings about gene expression, though, requires an expansion of this simple concept? Non-enzyme proteins are made from genes too. Some genes code for RNA molecules only. Enzymes composed of different polypeptides are coded for by more than one gene. a and c, but not b a, b, and c
- Differential gene expression describes how... (Choose the answer the best illustrates the definition of differential gene expression.) O each cell in your body expresses only a subset of its genes. O every cell in your body expresses all its genes, but at different times. every cell in your body expresses only a subset of its genes, but all these cells express the same subset of genes. different cells in your body express different subsets of genes.Describe the roles of promoters, enhancers, silencers, andinsulators in gene expression.what is meant by gene expression and which are the 5 most regulated steps in this process, explain each step?
