What part of a virus determine which host the virus infects?
a. receptor molecules
b. plasma membrane
c. surface proteins
d. nucleic acids

3.2.) quizanalyze the meanings of words read this passage: this year my little sister rocked straight as, made great saves as the goalie of her lacrosse team, and even became the president of her fifth-grade class. this kid is a ball of energy, but she still has time to crack goofy jokes with her big sister. what is the tone of this passage? o a. serious o b. jealous o c. impressed o d. tired