The answer is :they passed on their genetic material to new cells when they reproduced.
Explanation : Well when cells undergo division , they pass on their genetic material , so that's the same way that bacteria passed and still passes it's genetic material by the process of rep
roduction.
Hope this helps :)
Answer:
An immune response is a reaction which occurs within an organism for the purpose of defending against foreign invaders. The first contact that an organism has with a particular antigen will result in the production of effector T and B cells which are activated cells that defend against the pathogen.
Explanation:
Hydrogen bond. Although other ones are equally as important such as a dipole-induced dipole