What is the tiny non living structure that depends on a host cell to reproduce

Arational expression has been simplified below. (x-5) (x+1)/3(x+1) = x-5/3 for what values of x are the two expressions equal

All vaccination should(n’t) be mandatory! 1.at least 5 sentences explaining 2.why? 3.in the end summarize the sentence

What maintain homeostasis when a persons internal body temperature is 97.5°f