Microbiology Chapter 3- Cell Structure and Function Exam with Questions and Answers

Microbiology Chapter 3- Cell Structure and Function Exam with Questions and Answers External structure of bacterial cells ANSWER glycocalyx glycocalyx ANSWER gelatinous sticky substance surrounding the outside of the cell what is glycocalyx composed of? ANSWER polysaccharides, polypeptides, or both What are the two types of glycocalyces? ANSWER 1. Capsule 2. Slime layer Capsule ANSWER firm, composed of organized repeating units of organic chemicals, firmly attached to surface Slime Layer ANSWER aqueous solution, loosely attached to cell surface, water soluble What does the slime layer of glycocalyxs allow? ANSWER prokaryotes to attached to surfaces as a biofilm Flagella of Bacteria cells (prokaryotes) ANSWER composed of a filament, hook, and basal body What does the basal body of the flagella do? ANSWER anchors the filament and hook to cell wall