Laboratory Report 13 Capsular Staining A. Results 13 Student: Klebsiella pneumoniae (capsular stain) Date: Amal Hage 5123|3 Section: 1. Draw cells that display a capsule from your stained slide of Klebsiella pneumoniae. Explain how the capsule is visualized without the use of dyes that adhere to a capsule. B. Short-Answer Questions 1. What are two functions of the capsule or slime layer in bacterial cells? The capsule / Slime layer can act as a protective Structure or as an attachment of the bacterial cell to Solid surfaces in the environment. 2. What biological molecules can make up the bacterial capsule or slime layer? polysaccharides known as glyrocalyx or poly -D-glutar in the bacterial or Slime layer. 3. What function does the capsule have for Streptococcus mutans? the capsule facilitates the attachment of the organism to the tooth sulface, resulting in the forma. of dental plaque. 103