The trp operon vs. the lac operon: Which one of these is activated in the presence of a substance, and which is activated in the absence, and why the difference? In other words, what if the cell could think, what would be its rationale for why one is activated in the presence and the other in the absence of something? (Ignore the effects of glucose in the lac operon.)
Gene Interactions
When the expression of a single trait is influenced by two or more different non-allelic genes, it is termed as genetic interaction. According to Mendel's law of inheritance, each gene functions in its own way and does not depend on the function of another gene, i.e., a single gene controls each of seven characteristics considered, but the complex contribution of many different genes determine many traits of an organism.
Gene Expression
Gene expression is a process by which the instructions present in deoxyribonucleic acid (DNA) are converted into useful molecules such as proteins, and functional messenger ribonucleic (mRNA) molecules in the case of non-protein-coding genes.
- The trp operon vs. the lac operon: Which one of these is activated in the presence of a substance, and which is activated in the absence, and why the difference? In other words, what if the cell could think, what would be its rationale for why one is activated in the presence and the other in the absence of something? (Ignore the effects of glucose in the lac operon.)
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