Psychrophiles - Study guides, Class notes & Summaries

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...

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 ...

Define the term Microbiology correct answers The study of microorganisms and their relationships to the environment, humans and animals in disease Name the 5 classifications of microorganisms correct answers Bacteria, Virus, Mycobacterium, Fungi, Parasites Blood agar is the most commonly used media in the clinical laboratory. What type of media is blood agar? correct answers Enriched media, Differential media (detection of Beta-hemolytic organisms) List some agars that are generally use...

BIOS 242 Exam 2 Questions And Answers organic - ANS heterotrophs are? heterotroph - ANS •An organism that must obtain its carbon in organic form •Dependent on eating other life forms inorganic - ANS autotrophs are? autotroph - ANS •"Self-feeder" (photosynthesis or chemosynthesis) •Uses inorganic CO2 as its carbon source; builds organiccompounds from the CO2 phototroph - ANS an organism that gets its energy from sunlight chemotrophs - ANS Organisms...

IAHCSMM CRCST 8TH EDITION - CRCST Final Flashcard Review Microbiology - Answer ️️ -The study of microorganisms. The science which treats the nature, life and action of microorganisms. Me - Answer ️️ -Him Contamination - Answer ️️ -The state of being soiled or infected by contact with infectious organisms or other material Microns - Answer ️️ -A unit of measurement; 1/1000 of a millimeter or 1/25,000 of an inch; usually designated by the Greek letter "u". Protoplasm - A...

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...

IAHCSMM CRCST 8TH EDITION - CRCST Final Flashcard Review Microbiology - Answer ️️ -The study of microorganisms. The science which treats the nature, life and action of microorganisms. Me - Answer ️️ -Him Contamination - Answer ️️ -The state of being soiled or infected by contact with infectious organisms or other material Microns - Answer ️️ -A unit of measurement; 1/1000 of a millimeter or 1/25,000 of an inch; usually designated by the Greek letter "u". Protoplasm - A...

MICR221 EXAM QUESTIONS WITH REVISED ANSWERS Commensal/Mutualistic bacteria of the GI tract - Answer-Lactobacillus, Bacteriodes, Bifidobacterium, Clostridium, Escherichia, Enterococcus Anaerobes in large intestine - Answer-Bacteriodes, Bifidobacterium, and Clostridium Bacteria adapted to stomach's low pH - Answer-Helicobacter Urease - Answer-Enzyme used for acid tolerance by Helicobacter Aerobes - Answer-Require molecular oxygen and final electron acceptor is oxygen. Anaerobes -...

Microbiology&infection TCDHA midterm Major source of disease agents - correct answer mouth How do we control the spread of pathogens in the office? - correct answer standard precautions Asepsis - correct answer The absence of infection or infectious materials or agents Cross-Contamination - correct answer A process that allows transfer of microorganisms between persons and environmental surfaces Universal Precautions - correct answer consider all clients as being infected with blood...

Binary Fission Cell division in bacteria in which one cell divides into two cells Why do bacterial cells not undergo mitosis and meiosis? 1) Prokaryotic cells do not possess the machinery to produce spindle fibers and therefore cannot move chromosomes around in the cell 2) Replication of DNA in a prokaryote does not occur in one phase, but instead occurs continuously 3) Most bacteria have only one circular chromosome that is attached to the cell membrane Bacteria undergo four different phases ...