Ineed some on two homework questions in biology:
1. gene expression controls the production
a. dna
b. proteins
c. energy

2. lactose, a sugar found in milk products, is broken down by enzymes. the making of these enzymes is controlled by a genetic system in e. coli. when there is no lactose present in the body, the repressor protein blocks rna polymerase from binding to the promoter, making impossible.

a. transcription
b. translation
c. replication