1 Some virulent bacteria produce proteins that either disrupt host cell membranes or stimulate their own endocytosis or macro-pinocytosis into host cells. 2  These virulence factors allow the bacteria to enter host cells and facilitate entry into the body across epithelial tissue layers at the body surface.
Definition of revoke for English Language Learners : to officially cancel the power or effect of (something, such as a law, license, agreement, etc.) : to make (something) not valid REVOKE Defined for Kids
Recall. The right or procedure by which a public official may be removed from a position by a vote of the people prior to the end of the term of office. Recall is the retiring of an elected officer by a vote of the electorate. Some state constitutions prescribe the procedure that must be followed in a recallâfor example, requiring the filing of a petition containing the signatures of a specific number of qualified voters. recall