BIO 250 Microbiology QUIZ 2 - {2023} | BIO250 Microbiology QUIZ 2 - {A Grade}

BIO 250 Microbiology QUIZ 2 - {2023} | BIO250 Microbiology QUIZ 2 - {A Grade} Question 1 Correct 4.50 points out of 4.50 Select the statement that most accurately describes the action of antimicrobial drugs today. Select one: a. Antiviral drug treatment is more effective than vaccination against a viral disease. b. Effective antiviral drugs have a long history of development and use. c. Antiviral drugs often result in toxic side effects due to their inhibition of host cell activity. d. The development of antiviral drug resistance has not been observed, as compared to the high rate of antibiotic resistance seen today. The correct answer is: Antiviral drugs often result in toxic side effects due to their inhibition of host cell activity. In order to synthesize proteins, a virus with a genome comprised of single-stranded negative-sense RNA Select one: a. can directly translate its negative-sense RNA strand into proteins.!b. must use reverse transcriptase to make a negative-sense DNA strand rst. c. must use DNA polymerase to make a positive-sense DNA strand rst.d. must use its negative-sense strand as a template to make a positivesense RNA. Question 2 Correct 4.50 points out of 4.50 The correct answer is: must use its negative-sense strand as a template to make a positive-sense RNA. Fungi that grow as yeasts at one temperature but as molds at another temperature are called ______. Select one:!a. dimorphic b. saprobes!c. pseudohyphae d. spores!e. parasites Question 3 Correct 4.50 points out of 4.50 The correct answer is: dimorphic Lipopolysaccharide is an important cell envelope component of ______. Select one:a. gram-negative bacteria b. gram-positive bacteria c. acid-fast bacteria!d. mycoplasmas e. protoplasts- - -- - - - - - - - - - - - - - - - - Question 19 Correct4.50 points out of 4.50 The correct answer is: Tetrahedral Question 20 Correct 4.50 points out of 4.50 Satellite viruses are Select one: a. also called viroids.!b. dependent on other viruses for replication. c. the cause of spongiform encephalopathies. d. signicant pathogens of plants. The correct answer is: dependent on other viruses for replication