BIOS 242 Week 4 Midterm Exam 2023

BIOS 242 Week 4 Midterm Exam 1. Question : Antoni van Leeuwenhoek was the first person in history to Student Answer: use a magnifying glass. develop a taxonomic system. view protozoa and bacteria. disprove spontaneous generation. prove the germ theory. Questio n 2 . Question : Microbes that can live in the presence or absence of oxygen are called Student Answer: anaerobes. facultative anaerobes. obligate parasites. archaea. prokaryotes. ] pg. 1 Points Received: 0 of 1 BIOS242 Week 4 Midterm Exam (Latest): Microbiology Questio n 3 . Question : Which of the following scientists provided evidence in favor of the concept of spontaneous generation? Student Answer: Pasteu r Needh am Redi Buchne r Spallan za pg. 2 Points Received: Comments: 1 of 1 BIOS242 Week 4 Midterm Exam (Latest): Microbiology Comments: Questio n 4 . Question : The microbial production of alcohol from sugar is known as Student Answer: fermentatio n. pasteurizati on. metabolism . abiogenesis . antisepsis. Questio n 5 . Question : Which of the following statements concerning Koch's postulates is false? Student Answer: Koch's postulates cannot be used to demonstrate the cause of all diseases. A suspected pathogen must be able to be grown in the laboratory. All of Koch's postulates must be satisfied before an organism can be proven to cause a particular disease. Koch's postulates involve the experimental infection of susceptible hosts. A suspected pathogen must be found in the majority of individuals with a particular disease. pg. 3 Points Received: Comments: 0 of 1 BIOS242 Week 4 Midterm Exam (Latest): Microbiology Questio n 6 . Question : The study of the body's defenses against pathogens is called Student Answer: etiology. pg. 4 Points Received: Comments: 1 of 1 Points Received: Comments: 1 of 1 BIOS242 Week 4 Midterm Exam (Latest): Microbiology immunology. chemotherapy . molecular biology. epidemiology. Questio n 7 . Question : Which of the following is NOT a characteristic of viruses? Student Answer: they are visible with a light microscope. they are acellular. they are composed of genetic material and protein. they are smaller than prokaryotic cells. they are obligatory parasites. Questio n 8 . Question : Saccharomyces cerevisiae is an example of which of the following types of microbes? Student Answer: fungus protozo an prokary ote alga virus pg. 5 Points Received: Comments: 1 of 1 Points Received: Comments: 1 of 1 Points Received: Comments: 1 of 1 BIOS242 Week 4 Midterm Exam (Latest): Microbiology Questio n 9 . Question : Proteins that promote chemical reactions in the cell are called Student Answer: spores. enzyme s. genes. protozo a. flagella . Question 10 . Question : Which of the following scientists was the first to develop a taxonomic system for classifying organisms? Student Answer: Linnaeus Needham Leeuwenho ek Lister Pasteur Question 11 . Question : Robert Koch was involved in research on all of the following topics EXCEPT