Microbiology 290 - WCU - Quiz #1Test Questions and Correct Answers 2025.

Microbiology 290 - WCU - Quiz #1Test
Questions and Correct Answers 2025.
General Structures of Prokaryotes (Differences) - Answer Cell Wall

Plasmid

Single Supercoiled Circular Chromosome

Peptidoglycan

Nucleoid



General Structures of Eukaryotes (Differences) - Answer Mitochondria

Nuclear Membrane

Nucleus

Lysosome

Rough ER

Smooth ER

Golgi Apparatus



General Structures of Prokaryotes and Eukaryotes (Similarities) - Answer Flagellum

Cytoplasm

Ribosome

Cell membrane



The Process of Chemotaxis - Answer Bacteria moves in response to stimuli

Runs (Chemo Attractant)

Tumbles (Chemo Repellant)



Organisms under Prokaryotes - Answer Bacteria

- Cyanobacteria

- Heterotrophic Bacteria

Archaea

- Halophiles

, Algae

Animals

Plants

Chromists

Alveolates

Rhodophytes

Flagelletes

Basal Protists



Type of bacteria that possess flagella and axial filament - Answer Atrichous

Mono-Trichous

Amphitrichous

Lophotrichous

Peritrichous



Capsule (slime layer) and it's importance in biofilm formation - Answer - Type of glycocalyces

- Loosely attached to cell surface

- Water Soluble

- Sticky layer allows prokaryotes to attach to surfaces



Biofilm Formation - Answer - Reversible Adhesion

- Colonization

- Co-Adhesion

- Multiplication

- Detachment and Recolonization



What is biofilm - Answer -any group of microorganisms in which cells stick to each other on a
moist surface.

- adherent cells are frequently embedded within self-produced matrix of extracellular polymeric
substances




Sex Pilus - Answer - Special type of Fimbria