Question

multiple choice question
capsules are networks composed mostly of ______ that surround many bacteria.

nucleic acids
polysaccharides
proteins
lipids

Explanation:

Bacterial capsules are primarily made up of polysaccharide polymers; some may have small amounts of other molecules, but polysaccharides are the main component. Nucleic acids are the genetic material of bacteria, proteins form structures like flagella, and lipids are part of the cell membrane, not the main component of capsules.

Answer:

B. polysaccharides