Facultative aerobes - Study guides, Class notes & Summaries

MCB2010L Final Exam questions and answers What is fluid thioglycollate broth (FTB)? - ANSWERS It is prepared as a basic medium or with a variety of substances, depending on the needs of the organism being cultivated. It is appropriate for a broad variety of aerobic and anaerobic, and fastidious (requiring specific nutrients to grow) and non fastidious organisms. Well adapted for strict anaerobes and microaerophiles. What are the key components of FTB? - ANSWERS Yeast extract, pancrea...

Both B and C. Abscesses and Food Poisoning - ANSWERStaphyloccocus aureus is known for causing which of the following: Anaerobes, Aerobes - ANSWEROrganisms that are ____ must obtain their oxygen from oxygen containing compounds, while ____ need free atmospheric oxygen. False - Rarely transmitted via infected objects. - ANSWERGonorrhea is often transmitted via infected objects because the organism Neisseria gonorrhea survives well outside the body. True or False? All of the above. - ANSWE...

Which of the following forms of oxygen is detoxified by the enzyme catalase? A) singlet oxygen B) hydroxyl radical C) hydrogen peroxide D) superoxide E) Oprah's oxygen network C) hydrogen peroxide A microbiologist inoculates a growth medium at Time 0 with 400 bacterial cells per mL. If the generation time of the species is 30 minutes, and there is no lag phase, what is the shortest incubation time before the culture reaches a population of more than 6000 cells per mL? A) 1 hour B...

BI 234; PCC JESSE; MICROBIOLOGY LAB EXAM 1 QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS Culture medium A nutrient material prepared for the growth of microorganisms in a laboratory. Must provide an energy source, as well as carbon, nitrogen, sulfur, and phosphorus. Selective medium a culture medium with an ingredient that inhibits the growth of one type of bacterium, while allowing another type to grow. Facultative anaerobes Aerobes that do not REQUIRE oxygen, but will use it when pres...

Where would you be most likely to find a population of obligate aerobes? Select one: a. in your intestines b. on your skin c. adjacent to deep-sea vents d. under Antarctic glaciers The correct answer is: on your skin Bacteria that do not use oxygen but are not killed by it are referred to as Select one: a. aerotolerant anaerobes b. microaerophiles c. facultative anaerobes d. facultative aerobes The correct answer is: aerotolerant anaerobes Consider the following set of data for mol...

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

BIO 202 Exam 1 Questions With 100% Correct Answers Updated 2024/2025 (Graded A+) When was earth formed? - correct answer 4.55 billion years ago When did life on earth first appear? - correct answer 3.5 billion years ago What are the evolutionary mechanisms? - correct answer *Nonrandom mating *Migration *Genetic drift *Natural selection When does allopatric speciation occur? - correct answer when members of the same species become geographically separated When does sympatric speciation oc...

Anabolism correct answers consumes energy, creation of products Catabolism correct answers breaking things down, releases energy obligate aerobes correct answers require oxygen to function Microaerophiles correct answers grow best in low levels of oxygen Aerotolerant aerobes correct answers not harmed by presence of oxygen, do not use obligate anaerobes correct answers extremely sensitive to oxygen content facultative anaerobes correct answers grow better with oxygen (use ferme...

BIO 202 Exam 1 Questions With Correct Answers Updated 2024/2025 Graded A+ | Verified Answers. What are the properties of life? - correct answer *Cells and organization *Energy use and metabolism *Environmental response *Regulation and homeostasis *Growth and development *Reproduction *Biological evolution When was earth formed? - correct answer 4.55 billion years ago When did life on earth first appear? - correct answer 3.5 billion years ago What are the evolutionary mechanisms? - corre...

Microbiology Chapter 6 Exam Questions with 100% Correct Answers | Verified | Updated Microbes have very narrow optimum temperature ranges. Which of the following classifications of microbes are most likely to cause human disease, based on temperature requirements? hyperthermophiles thermophiles mesophiles psychrophiles - answerMesophiles - The temperature range of mesophiles overlaps that of normal human body temperature, allowing the greatest growth. Which of the following statements ...