Differentiate - Leading stand and lagging strand

State any three goals of the human genome project.

In E.coli, three enzymes β- galactosidase, permease and transacetylase are produced in the presence of lactose. Explain why the enzymes are not synthesized in the absence of lactose.

Distinguish between structural gene, regulatory gene and operator gene

A low level of expression of lac operon occurs at all the windows for treatment of various genetic disorders. Justify the statement

It is established that RNA is the first genetic material. Justify giving reasons.