Bacteria and Archaea Exam Questions with All Correct Answers (2024) ||Certified 100% and Graded A+!!!

To move towards a chemical attractant by flagellar motion is referred to as positive __________. - chemotaxis A type of glycocalyx called the _________ is loosely attached to the bacterial cell and protects it from dehydration and loss of nutrients. - slime layer Which of the following are components of the peptidoglycan layer of the cell wall? Choose two. - Protein and carbohydrate Order the following events in biofilm formation. - 1. Sticky surface texture attracts single cells. 2. Colonists attach to the surface. 3. Receptors, DNA, and otehr molecules are released as attractants. 4. Individual cells break off to begin new biofilms. A rigid helical bacterial cell twisted twice or more along its axis is described as a(n) _________. - spirillum the __________ stain technique is a differential staining method that allows a microbiologist to classify bacteria based on their cell envelope composition/structure - gram Which of the following diseases are caused by endospore-forming bacteria? - Tetanus, Anthrax, and Botulis