You are presented with the question "some what adhere to cell surfaces?" and the following answer choices: 
- Absorb light
 - allow growth
 - sand
 - particles
 - parasites
 - bacteria
 - designs
 - fungi

Now knowing that some parasites live on the surface of their host and for successful colonization, bacteria have to adhere to host cell surfaces, choose the best answer.


 

     parasites    