BIO 250 Exam 2 Test Prep Questions and Answers 2022 | Graded A

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Question 1 Correct 4.50 points out of 4.50 Flag question Question text A research laboratory that identifies the subspecies of bacterial isolates from a recent Salmonella epidemic would refer to... Bergey's Manual of ______ Bacteriology for guidance in identification. Select one: a. Determinative b. Systematic c. Evolutionary d. Classical Feedback The correct answer is: Systematic Question 2 Correct 4.50 points out of 4.50 0 qaid=40210822&q 0 3 Flag question Question text Antiviral drugs are often difficult to develop, largely because Select one: a. viruses are obligate intracellular parasites so the drugs must enter the host cell and often cause toxic side effects in order to destroy the virus. b. viruses are much smaller than bacterial cells. c. viruses are more abundant in the body than bacterial cells. d. viruses are more pathogenic than bacterial cells. Feedback The correct answer is: viruses are obligate intracellular parasites so the drugs must enter the host cell and often cause toxic side effects in order to destroy the virus. Question 3 Correct 4.50 points out of 4.50 Flag question 0 qaid=40210834&q 0 3 0 qaid=40210830&q 0 Question text Protozoan cysts are Select one: a. part of all protozoan life cycles. b. necessary for transmission to a new host. c. analogous to bacterial endospores. d. the primary form of replication. e. are produced by binary fission. Feedback The correct answer is: analogous to bacterial endospores. Question 4 Correct 4.50 points out of 4.50 Flag question Question text A saprobe differs from a parasite in that Select one: 4 0 qaid=40210826&q 0 3 a. a saprobe derives nutrients from dead plants and animals, but a parasite derives nutrients from living plants and animals. b. a saprobe has a pseudohyphae morphology, but a parasite has true hyphae. c. a saprobe has the ability to undergo meiosis to produce sexual spores, but a parasite can only perform mitosis to produce asexual spores. d. a saprobe is a fungus, but a parasite is a protozoan. Feedback The correct answer is: a saprobe derives nutrients from dead plants and animals, but a parasite derives nutrients from living plants and animals. [Show More]

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BIO 250 Exams 1,2 & 3 and Midterm Test Prep Questions and Answers 2022 | Graded A

Page path  BIO250_Saylor_V5  Unit 9: Microbial Genetics Started on Tuesday, September 4, 2018, 12:57 PM State Finished Completed on Tuesday, September 4, 2018, 1:42 PM Time taken 45 mins 10 se...

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