Mcb 2289l Study guides, Class notes & Summaries

1. When a large zone of no growth is found around an antibiotic disc being used for identification purposed, this generally means that the microbe is to the antibiotic 2. Identification of a bacterial species cannot be made on microscopic morphology alone because 3. A microorganisms that is most often harmless but may occasionally cause infection and disease if defenses are compromised is referred to as an opportunistic pathogen. 4. How do you determine the species of an unknown bacterium? 5...

 Question 1 1 out of 1 points Which of the following types of media allows for the observations of multiple biochemical properties in one? Selected Answer: SIM media Answers: Urea agar MacConkey agar SIM media Citrate media  Question 2 1 out of 1 points Phenol red carbohydrate broths with Durham tubes can detect all of the following EXCEPT Selected Answer: Nitrate reduction Answers: Nitrate reduction Acid production Gas production Fermentation  Question 3 1 ou...

Microbiology LearnSMart Lab Module 02 Quiz Question 1 1 out of 1 points When incubating a plate, it should be placed in the incubator with the lid side up. Selected Answer: Fals e Question 2 1 out of 1 points Why is 35-37 degrees Celsius a standard incubation temperature range for many lab exercises involving medically important bacteria? Selected Answer: This range is close to human body temperature, which is preferred by many of these organisms Question 3 1 out of 1 ...

1. Prokaryotes contain mitochondria: 2. Which structure is found in both plant and animal cells: 3. Which cell type (s) typically has/have cell walls: 4. Human skin, maple leaves, mushrooms and bacteria all share which of the following characteristics: 5. All of the following are eukaryotic cells EXCEPT: Which organelle is involved in the packaging of proteins for secretion: 6. All living organisms are made up of multiple cells: 7. The cells of all plants, animals and fungi are all proka...

When is it crucial to wear protective eyewear when working in the lab? Which statement correctly describes the level of contamination on different objects? Phenol red carbohydrate broths with Durham tubes can detect all of the following EXCEPT 1. The internationally recognized reference for bacterial classification and identification is called Bergey's Manual 2. All of the following are methods that can be used to isolate bacteria from a mixed culture EXCEPT? 3. Before attempting to ide...

1. Stains are commonly used for all the following EXCEPT: 2. Encapsulated organisms are difficult to directly stain because: Staining techniques do NOT provide information on which of the following structures? Which of the following diseases are caused by acid fast bacterium: 3. The purpose of heat fixation is to : 4. All of the following are true regarding bacterial smears EXCEPT: In the acid-fast stain, non-acid fast bacteria appear pink under the microscope: 5. Why might it be impor...

1. Define and briefly describe the different classes of microorganisms (including the terms Eukaryotes and Prokaryotes): 2. Define the four main types of organic molecules. Be sure to describe their function and give examples of each What does the term PPE stand for? What are common types of PPE that are worn in the lab or hospital setting Describe two ways in which microorganisms are used in our everyday lives 3. Identify two different types of staining techniques used with light microscopy...

1. Human skin provides an environment with NaCl levels slightly above that of most bacterial cells. Which organism would most likely be found on the skin? Distilled water would be to bacterial cells: A solution with a pH of 7 is acidic. 2. The term aerobic, anaerobic, and microaerophilic are used to categorize microorganisms based on their requirements. 3. The slowed growth or lack of growth of an organism at temperatures of pH outside of its ideal range is most likely due to changes in it...