DNA A and B are probably the most closely related because cells get DNA from the parent cells therefor similar DNA comes from relatives.
Answer:
percentage yield =[ experimental yield / theoretical yield] x 100
Explanation:
Shielding electrons are the electrons in the energy levels between the nucleus and the valence electrons. They are called "shielding" electrons because they "shield" the valence electrons from the force of attraction exerted by the positive charge in the nucleus. Hope this helps!!
