Micr130 - Study guides, Class notes & Summaries

MICR130 MODULE 9 EXAM QUESTIONS AND ANSWERS What do hyaluronidase and kinase have in common? - Answer-They are both enzymes involved in evading host defense.. How are immune cells able to detect foreign pathogens? - Answer-They are able to detect structures on the surfaces of foreign cells that are not found in the host. How does a capsule help certain bacteria evade detection by the immune system? - Answer-The capsule is composed of polysaccharides that are similar to those found in the...

MICR130 Module 4 Test Questions with Answers Which of the following is NOT a direct method to measure microbial growth? - Answer-Metabolic activity Patients with indwelling catheters are susceptible to infections because ____. - Answer-biofilms develop on catheters Which of these microbes is most likely to grow at room temperature (25 C)? - Answer-Psychrotroph Look at the attached figure. Which of these growth curves best describes the growth of a psychrophile at room temperature (25 C...

MICR130 Module 11 Test Questions with Complete Solutions The antibodies that can bind to large parasites are ______. - Answer-IgE. What type of immunity results from recovery from mumps? - Answer-Naturally acquired active immunity. T-dependent antigens ________. - Answer-require T helper cells to activate B cells. Newborns' immunity due to the transfer of antibodies across the placenta is an example of? - Answer-Naturally acquired passive immunity. Which of the following best char...

MICR130 MODULE 6 TEST QUESTIONS WITH COMPLETE SOLUTIONS A mutation that affects the genotype of the organism but not the phenotype is called a ___. - Answer-silent mutation A mutation that results in the introduction of a premature stop codon is called a ____ mutation. - Answer-nonsense Competent cells are cells that ____. - Answer-can take up DNA from their surrounding environment and integrate it into their own chromosomes by recombination A sequence of DNA nucleotides which provide...

- MICR130 MODULE 9 Exam Questions With Detailed Answers /._____ describes the ability of a pathogen to overcome host defenses and cause disease. - pathogenicity. / .A knife wound is an example of which portal of entry? - parenteral route. /.A patient who has been hospitalized with uncontrolled muscle spasms has probably been infected with bacteria that secrete a(n) - neurotoxin. /.A person who attended a picnic early in the day develops a very high fever and is unresponsive by...

MICR130: MODULE 1 Exam Questions With 100% Correct Answers _____ of a protein occurs when high temperatures cause the protein to lose its _____. - Answer-DENATURATION, SHAPE /.A pathogen is _____________. - Answer-a microbe that causes disease /.A pathogen is _____________. - Answer-a microbe that causes disease /.A saturated fatty acid is saturated with ____. - Answer-hydrogen /.A saturated fatty acid is saturated with ____. - Answer-hydrogen /.A saturated fatty acid is satura...

MICR130: MODULE 4 Exam Questions With Complete Solutions A bacterial culture increases from 2 million to 8 million cells in 2 hours. The generation time at this time is ___. - Answer-1 hour /.Acidophiles would be expected to grow best at a pH of ____. - Answer-3 /.Aerobic bacteria that have developed (or retain) the ability to continue growing in the absence of oxygen are called _____. - Answer-facultative anaerobes /.All of the following are true about agar except ______. - Answer-i...

MICR130 MODULE 8 Exam Questions And Answers A commensal bacterium ____. - Answer-may be an opportunistic pathogen /.A disease that can be easily spread from one host to another is classified as a ______ disease. - Answer-contagious /.A disease that is acquired by many people in a relatively short period of time is a _____ disease. - Answer-epidemic. /.A disease that is constantly present in a population is a _____ disease. - Answer-endemic. /.A disease that occurs only occasionall...

MICR130: MODULE 6 Exam Questions With Detailed Answers _______ is gene transfer mediated by bacteriophages. - Answer-transduction /.A ____ is able to transfer antibiotic resistance to othe bacteria via conjunction. - Answer-R factor /.A bacterium has received new DNA that allows it to produce a toxin. - Answer-There is a change in both the genotype and phenotype. /.A bacterium has received new DNA that allows it to produce a toxin. Which of the following statements is true? - Answer...