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20200708135347biol 302 final exam ol1 summer 2020

20200708135347biol 302 final exam ol1 summer 2020

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Final Exam for BIOL 302 (6981) Bacteria, Viruses, and Health Summer 2020

This is an open-book take-home final exam. The exam is cumulative and covers all five of the

course modules and the related conference topics and activities.

. Late submissions will not be graded and will earn 0 points. UMUC has a deadline for when all

course grades must be submitted. Email, scanned, handwritten and PDF copies are not

acceptable and will earn 0 points.

There are three (3) parts to the final exam with a total possible100 points:

Part A. Multiple Choice (20 questions for 1 point each)

Part B. Short Answer (5 questions for 4 points each)

Part C. Short Essay (6 questions for 10 points each)

Responses to Parts B and C must be written as complete sentences and in your own words (see

Purdue Online Writing Lab (OWL), "Paraphrase: Write in Your Own Words"

(http://owl.english.purdue.edu/owl/resource/563/02/ ). You must include complete citations in

APA style for the sources of your information (see additional instructions about citations in week

8 Course Content “About the Final Exam”. No points will be earned for answers that do not

include complete and accurate citations for the sources of information used to answer the

question or that support your answer.

Submit your answers as a Word attachment (Start the file name of the attachment with

your last name-for example student John Smith would be Smith J.Final Exam. doc); points

will be deducted for not doing so.

Part A Multiple Choice: Select the best or most complete answer (1 point each)

1. RNA polymerase initiates transcription by binding to the

a. mRNA transcript

b. promoter base sequence

c. operator base sequence

d. all of the above

2. The effects of endotoxin and exotoxins are mechanisms by which bacteria can cause disease.

Exotoxins are generally more potent than endotoxin because unlike endotoxin,

a. many act as catalysts and are reusable

b. they have a higher specificity of action

c. they can act at distant sites in the host

d. all of the above

3. Which of the following structures is responsible for the changes in influenza viruses that

requires the development of a new vaccine each season?

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a. Changes in the envelope phospholipids

b. Changes in the internal capsid proteins

c. Changes in the surface spike proteins

d. Changes in the DNA genome

e. All of the above

4. Which of the following best describes the innate immune system?

a. a targeted and highly specific response to a single pathogen or molecule

b. a generalized and nonspecific set of defenses against a class or group of pathogens

c. a set of barrier mechanisms that adapts to specific pathogens after repeated exposure

d. the production of antibody molecules against pathogens

5. Immunity that results when a person is vaccinated to protect against seasonal influenza is

a. active artificially acquired immunity.

b. passive artificially acquired immunity.

c. passive naturally acquired immunity.

d. active naturally acquired immunity.

6. What does each codon in messenger RNA (mRNA) specify?

a. a nucleotide

b. an enzyme

c. an amino acid

d. a promoter

7. Which of the following infectious disease(s) has (or have) been eradicated in the world?

a. measles

b. polio

c. whooping cough

d. smallpox

e. all of the above

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Final Exam for BIOL 302 (6981) Bacteria, Viruses, and Health Summer 2020 This is an open-book take-home final exam. The exam is cumulative and covers all five of the course modules and the related conference topics and activities. . Late submissions will not be graded and will earn 0 points. UMUC has a deadline for when all course grades must be submitted. Email, scanned, handwritten and PDF copies are not acceptable and will earn 0 points. There are three (3) parts to the final exam with a total possible100 points: Part A. Multiple Choice (20 questions for 1 point each) Part B. Short Answer (5 questions for 4 points each) Part C. Short Essay (6 questions for 10 points each) Responses to Parts B and C must be written as complete sentences and in your own words (see Purdue Online Writing Lab (OWL), "Paraphrase: Write in Your Own Words" (http://owl.english.purdue.edu/owl/resource/563/02/ ). You must include complete citations in APA style for the sources of your information (see additional instructions about citations in week 8 Course Content “About the Final Exam”. No points will be earned for answers that do not include complete and accurate citations for the sources of information used to answer the question or that support your answer. Submit your answers as a Word attachment (Start the file name of the attachment with your last name-for example student John Smith would be Smith J.Final Exam. doc); points will be deducted for not doing so. Part A Multiple Choice: Select ...
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