Endospores Study guides, Class notes & Summaries

Test Bank - Nester’s Microbiology A Human Perspective Denise G. Anderson Sarah N. Salm Deborah P. Allen Mcgraw Hill Complete All Chapters 2024. The scientist usually considered the first to see microorganisms, which he called "animalcules", was A. Redi. B. van Leeuwenhoek. C. Pasteur. D. Tyndall. Bloom's Level: 1. Remember Learning Outcome: 01.01 Section: 01.01 Topic: History of Microbiology Chapter 01 - Humans and the Microbial World 1-2 2. The word "animalcule" was coine...

Question Bank for Microbiology Bacterial endospores - CORRECT ANSWERS Protects against radiation, heat & dehydration Anaerobic - Clostiridium Aerobic - Bacillus Lactic starter cultures - CORRECT ANSWERS Acid producing ability, lack of gas production, resistance to bacteriophage Effects on flavour, compatibility with other strains, temperature optima peptidoglycan - CORRECT ANSWERS Contains D- and L- amino acids Target for certain antibacterial antibiotics N-acetyl glucosamine & N-ac...

MICR 290 Final Exam Q&A - West Coast University, Los Angeles Microbiology with Diseases by Body System, 5e (Bauman) Chapter 9 Controlling Microbial Growth in the Environment 1) Washing dishes in the dishwasher with detergent and hot water is a ________ process. B) disinfecting 2) Which of the following statements is TRUE of disinfectants? D) They are used on inanimate surfaces. 3) You notice a sign in a public restroom that states "Sanitized for your safety." This means D) methods of d...

Decontamination - ANSWER Is the mechanical removal of most microbes from an animate or inanimate surface. Bacterial Endospores - ANSWER Bacterial endospores most resistant - usually require temperatures above boiling Vegetative Cells - ANSWER A cell that grows and divides under optimal conditions. Disinfection - ANSWER Destroys most microbial life, reducing contamination on inanimate surfaces- (not endospores) Sterilization - ANSWER Is the destruction of all microbial life. Antise...

Hershey and Chase performed an experiment in order to determine how bacteriophages infect bacteria. What did they find? CORRECT ANSWER The bacteriophage injects DNA into the host cell. This was found because, after centrifugation, the pellet was radioactive The largest difference between a Gram + and Gram - bacterial cell is: CORRECT ANSWER The gram + cell has a much thicker peptidoglycan layer Why does a Gram + cell stain blue/purple in a gram stain? CORRECT ANSWER The Gram + cell stains ...

OpenStax Microbiology Test Bank Chapter 9: Microbial Growth Page 1 of 17 Chapter 9: Microbial Growth * = Correct answer Multiple Choice 1. Bacteria most commonly reproduce using which of the following methods? A. binary fission* B. budding C. meiosis D. mitosis Difficulty: Easy ASM Standard: N/A 2. Which structure separates new daughter cells in binary fission? A. the crescent B. the division septum* C. the FtsZ D. the spindle apparatus Difficulty: Easy ASM Standard: N/A 3. W...

Characteristics of Endospores correct answers - Heat resistant - Contain calcium dipicolinate - Dehydrated - Produced by Bacillus and Clostridium Thermal Death Point correct answers Lowest temperature at which a population of a target organism is killed in 10 minutes Thermal Death Time correct answers Shortest time required to kill a suspension of cells or spores, under defined conditions Thermoduric correct answers Bacteria that is normally a mesophile but can surivie high temps ...

What is the morphology of Vibrio spp. bacteria? A. Bacillus B. Coccus C. Spirochete D. Coccobacillus - Answer- A. Bacillus All of the following are important functions of bacterial fimbriae, except: A. Attachment B. Locomotion C. Ion transport D. Antibiotic resistance - Answer- A. Attachment Bacterial endospores are: A. Resistant to heat and desiccation B. A form of asexual reproduction C. A consequence of mating D. Highly susceptible to antiseptics - Answer- A. Resistant...

Microbiology Test Question bank With 100% Correct and Verified Answers Gram-negative bacteria used for gram reactions are not easily affected by penicillin as they: a- have more resistant endospores. b- have an impermeable out membrane. c- produce penicillinases. d- have a thick peptidoglycan cell wall. e- replicate faster. ——————————————————————————————————— Which structure protects bacteria from being phagocyt...

TCDHA Microbiology Midterm ReviewWhat are the 4 small life forms? - correct answer 1. Virus 2. Bacteria 3. Fungi (molds, yeast) 4. Protozoa 5. Algae What are the several sub-disciplines within microbiology? - correct answer 1. Bacteriology 2. Mycology 3. Protozoology 4. Virology What is the study of Bacteria? - correct answer bacteriology What is the study of fungi? - correct answer mycology What is immunology? - correct answer Knowledge of body's defense mechanism (immune s...