Question

Write any four ways used to introduce a desired DNA segment into a bacterial cell in recombinant technology experiments.

Answer 1

Phosphorus is a chemical element with symbol P and atomic number 15. Elemental phosphorus exists in two major forms, white phosphorus and red phosphorus, but because it is highly reactive, phosphorus is never found as a free element on Earth. It has a concentration in the Earth's crust of about one gram per kilogram.