Cells in your hair follicles produce the protein keratin, which is a primary component of hair. Cells in your liver do not produce keratin. Why does this specialization occur? Hair follicle cells contain recombinant DNA . Hair follicle cells contain different genes from liver cells. Hair follicle cells do not produce DNA , but liver cells do. Different types of genes are activated in liver cells and hair follicle cells.

Which statement describes john tuzo wilson’s contribution to the theory of plate tectonics?

Cold case files recently began re-investigating an old murder case. the murder took place in the park; a young man, james, was hit over the head with a brick and killed. police suspected the jealous former boyfriend of james' wife, karen. whoever killed james may have washed their hands in a near-by bird bath as detectives found blood in the bird bath. since the murder took place before dna fingerprinting was available, the suspected killer, ronnie, went free. detectives are now reviewing the blood evidence using dna fingerprinting. based on the dna fingerprints of all possible suspects, who is james' killer?

The carrier molecules of the electron transport system are located in the