Bacteria — Flashcards

Flashcard 711: What is the shape of Haemophilus influenzae?_____

Answer: Coccobacillus

Flashcard 712: The _____ type of Bacillus cereus food poisoning presents with nausea and vomiting within 1-5 hrs of consumption.

Answer: Emetic

Flashcard 713: _____ use fermentation to generate ATP

Answer: Obligate anaerobes

Extra: Obligate anaerobes lack antioxidant enzymes like superoxide dismutase and catalase, making them susceptible to oxidative damage. They generate ATP via fermentation or anaerobic respiration (using a final electron acceptor other than oxygen).

Flashcard 714: Indicator (differential) media can also yield color changes due to differences in _____ of certain organisms

Answer: metabolism

Flashcard 715: Exotoxin generates a _____ (strength) antibody response

Answer: strong

Flashcard 716: Colonies of _____ show a halo of projections, sometimes referred to as "medusa head" appearance

Answer: Bacillus anthracis

Flashcard 717: Which bacteria produces red pigments?_____

Answer: Serratia

Flashcard 718: How do phagocytes in CGD patients kill catalase-negative organisms? _____

Answer: Use H2O2 produced by invading organisms to produce HClO-

Flashcard 719: During the _____ phase of bacterial growth bacteria are continuing to grow but also starting to die

Answer: stationary

Flashcard 720: _____ can generate lots of energy through cellular respiration using O2

Answer: Obligate Aerobes (Obligate Aerobes or Anaerobes)