11 4 points A liver cell and lens cells in the same person have the same genetic sequence but perform very different functions. How is this possible? Each cell type is controlled by different operons Different genes are expressed because of control elements unique to the respective cells Different mutations within the cells give rise to the different cell types Liver cells and lens cells contain different genes A result of gene modifications giving rise to differential protein degradation
Added by David R.
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This means that even though the liver cell and lens cell have the same genetic sequence, the operons that control their gene expression are different. Show more…
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Within the same individual, how is a liver cell able to make different proteins than a brain cell? They can't. They must make the same proteins. The liver and brain contain different genes. The liver and brain contain different forms of the same genes. Although they have the same DNA, different genes are "turned on" in the liver versus the brain.
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Within an organism, what makes one cell type different from another? Each cell type discards different genes Each cell type expresses different genes Each gene codes different proteins in different cells. Each cell type inherits different genes
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