If a wild-type (normal, NOTmutated) E. coli strain is grown in a medium: a. without lactose or glucose, how many proteins (and which ones) are bound to the lac operon? b. Without lactose, but with glucose, how many proteins (and which ones) are bound to the lac operon??- lac repressor
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.
- If a wild-type (normal, NOTmutated) E. coli strain is grown in a medium:
a. without lactose or glucose, how many proteins (and which ones) are bound to the lac operon?
b. Without lactose, but with glucose, how many proteins (and which ones) are bound to the lac operon??- lac repressor
The lac operon or the lactose operon is a mechanism that is involved in the metabolism and transport of the lactose. It plays an important role in E. coli and many other enteric bacteria. The lac operon allows the effective digestion of lactose in the absence of glucose. The enzyme beta-galactosidase is required for this activity. Glucose is the first choice for bacteria for the fulfillment of carbon requirement.
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