You are graduating from nursing school in three months and have already lined up a new job. However, your employer informs you that before you start your job, it is mandatory for you to be vaccinated against hepatitis B, a double-stranded DNA virus that can cause the disease hepatitis. Your boyfriend, a biology major, wonders why you need to get the vaccine. You aced your microbiology class and you know a lot about both viruses and vaccines, so you understand why getting this vaccination is essential. You give your boyfriend a mini lesson on this by answering a few of his questions.
-Your boyfriend asks how animal viruses enter a host cell. You tell him that they can use one of two mechanisms:
A) exocytosis OR fusion
B) endocytosis OR fusion
C) fusion OR phagocytosis
D) endocytosis OR budding
E) budding OR fusion

Question

Quizplus · Accepted Answer

Animal viruses can enter a host cell through endocytosis, which is the process of the cell engulfing the virus, or through fusion, which is the merging of the viral envelope with the host cell membrane. Therefore, option B is the best choice as it includes both mechanisms.

You Are Graduating from Nursing School in Three Months and Have