Which prefix changes the meaning of bacterial from "relating to or caused by bacteria" to "preventing bacteria"?

a. over-

b. anti-

c. auto-

d. extra-

The prefix that changes the meaning of bacterial from "relating to or caused by bacteria" to "preventing bacteria" is anti-

The prefix anti means “against,” “opposite of,” “antiparticle of,” used in the formation of compound words ( anticline ); used freely in combination with elements of any origin ( antibody; antifreeze; antiknock; antilepton ).

Prefixes are letters which added to the beginning of a word in order to make a new word with a different meaning. Prefixes can, for instance, create a new word opposite in meaning to the word the prefix is attached to.

i dont know what you want me to answer

- "despite the fact that portia lives in belmont and has many suitors, bassanio believes that he can win her heart. bassanio plans on overcoming his financial obstacles by borrowing money from antonio to travel to belmont. he then plans on marrying portia and becoming wealthy enough to pay off his debts."