The lac operon in E. coli controls the gene expression of the enzymes that digest lactose in the cell. In the absence of lactose
, the lac operon will turn off and gene expression will be inactivated. Place the events of gene regulation by the lac operon in order of their occurrence, from the removal of lactose from the environment to when the cell no longer digests lactose. Not all the events will be placed. a. the repressor is activated in the absence of lactose
b. the regulatory gene expressed the repressor protein
c. RNA polymerase is prevented from binding the promotor
d. the repressor binds to the operator
e. lactose enzymes genes are inactivated by the operon
The lac operon is called lactose operon is a cluster of genes with a promoter. The bacteria uses lactose as the source of energy by the proteins coded by genes. This is present in prokaryotes.
The regulatory gene codes for repressor protein. The repressor binds to lactose and prevent its binding to operator. In the absence of lactose repressor gets activated and binds with operator. Thus, RNA polymerase is prevented from binding the promotor. The transcription of genes inhibited. Thus correct order is b, a, d, c, e.
Is a large molecule, or macromolecule, composed of many repeated subunits.Because of their broad range of properties, both synthetic and natural polymers<span> play essential and ubiquitous roles in everyday life.</span>
There is a high probability that the Pea plant will have a High phenotype!
Explanation:
Because both "parent plants" are tall, this will cause the offspring to also be tall, this will be because it in it's genes or in other words DNA too be strong.
