Final answer:
The replication life cycle in which a virus kills the host cell and releases virus particles is the lytic cycle. This cycle involves the destruction of the host cell through lysis, unlike the lysogenic cycle where the viral genome integrates with the host's genome and the cell isn't immediately killed.
Step-by-step explanation:
The type of replication life cycle where a virus kills the host cell and releases the virus into the environment is known as the lytic cycle. This cycle can be contrasted with the lysogenic cycle, in which the viral genome is incorporated into the genome of the host cell and does not immediately kill the cell. The lytic cycle involves several steps, including attachment, penetration, biosynthesis, maturation, and release, with lysis being the final step where new virions are released into the environment to infect adjacent cells. In contrast, statement a from the options is not true: A lysogenic cycle does not kill the host cell right away.