Question

match the correct bacterial external structure to its best description. exchange plasmids 1. pili promote adherence (aside from pili) 2. sex pili 3. glycocalyx made up of polysaccharides 4. flagella

Explanation:

Sex pili are used for the exchange of plasmids between bacteria. Glycocalyx promotes adherence (other than pili) and is made up of polysaccharides.

Answer:

Exchange plasmids - 2. Sex Pili
Promote adherence (aside from pili) - 3. Glycocalyx
Made up of polysaccharides - 3. Glycocalyx