Foundations in Microbiology 9th Edition by Kathleen Park Talaro, Barry Chess

Exercise 5

Select the correct answer from the answers provided. For questions with blanks, choose the combination of answers that most accurately completes the statement. Pili are appendages in bacteria that serve as a means of ________.
A) gram-positive, genetic exchange
B) gram-positive, attachment
C) gram-negative, genetic exchange
D) gram-negative, protection