Facultative anaerobes Study guides, Revision notes & Summaries

BIOS 242 Microbiology Midterm Exam Questions With Answers 2024/2025 | Graded A+. Antoni van Leeuwenhoek was the first person in history to Question 2 Question : . Microbes that can live in the presence or absence of oxygen are called Question 3 Question : . Which of the following scientists provided evidence in favor of the concept of spontaneous generation? Student Answer: Pasteur use a magnifying glass. develop a taxonomic system. view protozoa and bacteria. disprove spontaneous g...

What bacteria inhabit extreme environments? correct answers often archaebacteria, or "ancient" bacteria How does archaebacteria differ from eubacteria or "true" bacteria? correct answers they differ in cell wall and cell membrane composition, ribosome composition and shape, tRNA structure and RNA polymerase sequences What are thermophiles? correct answers bacteria that inhabit environments with elevated temperatures What are hyper or super thermophiles? correct answers bacteria that...

REHS - microbiologyAcid Fast stain is for what type of bacteria - correct answer Mycobacterium (tuberculosis and leprosy) What type of bacteria forms spores? - correct answer gram +, bacillus and clostridium obligate aerobes - correct answer organism that requires a constant supply of oxygen in order to live obligate anaerobes - correct answer poisoned by oxygen facultative anaerobes - correct answer prefer oxygen, but can survive without it Psychrophiles - correct answer -2...

What is microbial growth? - increase in the number of cells What are the two general requirements for microbial growth? - physical: temperature, pH, osmotic pressure chemical: types of nutrients, growth factors A bacterium has just encountered a new environment. What are its three basic choices with respect to growth in this new environment? - Adapt- allows growth to continue Tolerate- survive without growth DIE What are a bacterium's cardinal temperatures? Do all bacteria have the same...

MIP 300 Final Exam Questions and Answers What is the minimum number of glucose molecules a bacterium that performs anaerobic respiration would need to metabolize in order to get 380 ATP - Answer-11 Facultative anaerobes can do either aerobic respiration or fermentation. In an anaerobic environment, which of the following could be an electron acceptor used by such a facultative anaerobe? - Answer-pyruvate When you follow a single Glyceraldehyde 3-P molecule forward toward the TCA cycle, h...

Microbiology for Embalmers FINAL EXAM Questions and Answers Already Passed Staphyloccocus aureus is known for causing which of the following: Both B and C. Abscesses and Food Poisoning Organisms that are ____ must obtain their oxygen from oxygen containing compounds, while ____ need free atmospheric oxygen. Anaerobes, Aerobes Gonorrhea is often transmitted via infected objects because the organism Neisseria gonorrhea survives well outside the body. True or False? False - Rarely t...

MICROBIOLOGY FOR EMBALMERS FINAL EXAM 180 QUESTIONS AND CORRECT ANSWERS Staphyloccocus aureus is known for causing which of the following: - Correct Answer Both B and C. Abscesses and Food Poisoning Organisms that are ____ must obtain their oxygen from oxygen containing compounds, while ____ need free atmospheric oxygen. - Correct Answer Anaerobes, Aerobes Gonorrhea is often transmitted via infected objects because the organism Neisseria gonorrhea survives well outside the body. True or F...

Staphylococci - ANSWER-Gram-Positive Cocci. Nonmotile, facultative anaerobes. Catalase positive and they differentiate with mannitol salt agar and coagulase test Staphylococcus aureus - ANSWER-Part of natural flora on skin, nasopharynx and intestine. Resistant to many antibiotics •EX: resitant to penicillin Virulence factors of S. aureus - ANSWER-Cytolytic toxins Exfoliative toxins Toxic shock syndrome toxin Enterotoxins Protein A • binds to Fc of IgG so IgG cannot bind to FcR on ...

REHS Study Questions with All Correct Answers Any living thing that is too small to see without the aid of a microscope is called a _____. - Answer-microorganism Yeasts and molds are two types of _____ that may be found in foods. - Answer-fungi TRUE OR FALSE: Some bacteria have the ability to form spores, which are extremely resistant to heat, cold, and chemical agents. - Answer-True If food is handled properly, bacteria are kept in the _____ phase and not allowed to grow. - Answer-...

Mitochondria similarity to prokaryotes (bacteria) ~~> Circular DNA and 70S ribosomes 70S ribosomes subunits are ~~> 50S and 30S 70S ribosomes found in ~~> Prokaryotes (bacteria & archaea) (and mitochondria/chloroplasts) 80S ribosomes found in ~~> Eukaryotic cells (algae, fungi, protozoa, helminths and animals) 80S ribosomes subunits are ~~> 60S and 40S Bacilli 2 | P a g e | © copyright 2024/2025 | Grade A+ Master01 | September, 2024/2025 | Latest update ~~&g...