In the experiment by Jacob, Monod, and Pardee, it was demonstrated that bacteria with a mutant lacz gene that were transformed with a plasmid encoding a functional lacz gene and lac operon were restored to normal repression of the lac operon in the absence of lactose. If their data showed that merozygote strains not receiving lactose still produced β-galactosidase, what might their conclusions have been

All individuals have two alleles for a given trait. according to mendel's these alleles are passed down one each from both mother and father.

What is the significance of the protein-lined pits? a. protein attracts other proteins needed for atp synthesis within the cell. b. protein-lined pits are able to transport one molecule at a time down the concentration gradient within the cell. c. the polarity of proteins allows other polar molecules to attach and be transported in the cell by transport channels. d. receptors within the pits allow ligands to fuse and be transported into the cell by endocytosis.

What material did the moon come from?