A Bacterium injects its DNA into the genome of the host cel. (Ans. A)
Explanation:
This stage of bacteria causing disease is known as Lytic cycle ,in this cycle phage 1st binds to the receptor present on the surface of the bacterial cell. Then the phage injects its DNA into the host cell and then protein synthesis and DNA coping occurs. The capsid proteins are stuffed with DNA to make lots of new phages particles.
The correct answer is ATP or also known as Addenosine Triphosphate. ATP is considered to be a complex organic compound which participates in all processes of the body. It is considered to be the way to store the body's energy and the way to use it.