UMN Gopher InvitationalMicrobe Mission

School Name ____________________________

Team Number _______

Competitor Names _________________________________________________

Score ___ / 89

*Scores on the short answer section will be used for tiebreakers, followed by scores on the

matching section.

Part I Multiple Choice

1. What type of microbe is shown below?

a. Bacteriab. Prionsc. Virusesd. Fungi

2. How do yeast reproduce?a. Conjugationb. Buddingc. Fragmentationd. Parthenogenesis

3. The bacteria below is resistant to what antibiotic(s)?

a. a. 1 b. 2 c. 1 & 2b. d. 3 e. 4 f. 3 & 4

4. An organism that uses O2 when it is present but can also carry out fermentation when O2 is absent is known as a(n)

a. Obligate aerobeb. Obligate anaerobec. Facultative Anaerobed. Facultative Aerobe

5. Halophiles live in environments with higha. Methane concentrationsb. Salt concentrationsc. Temperaturesd. pH levels

6. What is the largest and most complex type of algae?a. Brown Algaeb. Green algaec. Golden algaed. Red algae

7. Fungal cell walls are made of what?a. Celluloseb. Chitinc. Glycoproteinsd. Peptidoglycan

8. Bacterial cell walls are made of what?a. Celluloseb. Chitinc. Glycoproteinsd. Peptidoglycan

9. Mycosis is the technical term for aa. Bacterial infectionb. Fungal infectionc. Parasite infectiond. Protist infection

10. A capsid is made ofa. Lipidsb. Nucleic Acidc. Polysaccharidesd. Proteins

11. A viral envelope is mostly made ofa. Lipidsb. Nucleic Acidc. Polysaccharidesd. Proteins

12. Prions are made ofa. Lipidsb. Nucleic Acidc. Polysaccharidesd. Proteins

13. Viroids are made ofa. Lipidsb. Nucleic Acidc. Polysaccharidesd. Proteins

14. In the food industry, the bacteria Lactobacillus Bulgaricus is used in the production ofa. Ale

b. Breadc. Kimcheed. Yogurt

15. Which of the following are not alive?a. Archaeb. Bacteriac. Protistsd. Viruses

16. SIM medium is used to testa. Indole Productionb. Sulfur Reductionc. Motilityd. All of the above

17. Lichens are …a. a symbiotic relationship between an algae or cyanobacteria and a fungusb. a symbiotic relationship between a plant and a fungusc. a parasitic relationship between an algae and cyanobacteria and a fungusd. a parasitic relationship between a plant and a fungus

18. A fermenting tank used for brewing beer will predominantly containa. Lactobacillus Bulgaricusb. Serratia marcescensc. Staphylococcus aureusd. Yeast

19. The virus depicted below causes what disease?

a. Ebolab. Influenzac. Measlesd. Yellow Fever

20. Protozoa are classified into Amoeba, Ciliates, Flagellates, and Sporozoans groups based on their ability to…

a. Digest foodb. Movec. Build proteinsd. Reproduce

True/False21. Archaea have histones in their DNA

22. Fungi are single-celled as mushrooms and are in multi-cellular clusters as yeast. 23. Euglena are an example of flagellates. 24. The microbes shown below are motile.

a.25. A positive indole test will show a red color in the surface alcohol layer of the broth.26. Centrifuging can remove the slime layer.27. Beta hemolysis is incomplete hemolysis, and the area around the colonies will appear yellow.28. Denitrifying bacteria convert atmospheric nitrogen (N2 ) into ammonia (NH3).29. All viruses are smaller than 100 nm in diameter/length.30. All life on earth depends on photosynthesis.

Part II Matching

1. ____ A. Diaphragm2. ____ B. Stage Clips3. ____ C. Ocular4. ____ D. Fine Adjustment5. ____ E. Illuminator6. ____ F. Base7. ____ G. Body Tube8. ____ H. Nosepiece9. ____ I. Objectives10. ____ J. Arm11. ____ K. Coarse Adjustment12. ____ L. Stage

13. Pinworm ____14. Polio ____15. Estuary Associated Syndrome ____16. Histoplasmosis ____17. Cholera ____18. Tetanus ____19. Mumps ____20. Trichinosis ____21. Kuru ____22. Yellow Fever ____23. MRSA ____24. Shingles ____25. Chlamydiosis ____26. Thrush ____27. Giardiasis ____28. Ergotism ____29. Rubella ____

A. parasitic intestinal round roundworm ingested from eating undercooked meat, especially pork

B. fungus in rye, convulsive and gangrenous symptoms

C. resistant to many antibiotics, infections in humans infecting the skin and other parts of the body

D. small intestinal parasitic nematode - especially in children; white, ½ inch long

E. an acute bacterial intestinal infection caused by ingestion of contaminated food or water, causing profuse watery diarrhea and vomiting

F. infection of skin characterized by distinctive red rash, commonly called German measles

G. infection caused by breathing in spores of a fungus often found in bird and bat droppings; primarily affects lungs

H. caused by a fatal neurodegenerative prion causing rapid deterioration of mental function and loss of muscle coordination.

I. fungal infection of the mouth, throat, and tongue

J. virus spread by mosquitoes causing influenza-like symptoms to severe hepatitis to hemorrhagic fever

K. highly infectious disease that invades the nervous system and can cause paralysis

L. viral infection of the parotid (salivary) glands located below and in front of the ear

M. caused by the varicella zoster virus (VZV), painful rash with blisters

N. associated with dinoflagellates, neurotoxin-mediated illness

O. infection of the small intestines caused by a protozoan; largest cause of diarrhea in US

P. sexually transmitted bacterial diseaseQ. lockjaw: bacteria enters through contaminated

wound -- affects skeletal muscles and nerves – prolonged muscle fiber contractions

Part III Short Answer (30 pts)

1. Streak this plate (2 pts)

2. Draw a bacteriophage and label three parts of it. (3 pts)

3. Name the type of flagellar arrangements shown below. (4 pts)

4. Conversions (2 pts)a. How many micrometers are in a millimeter?

b. How many nanometers are in a micrometer?5. Label the microbial growth curve and give two reasons for phase C (6 pts)

6. Define the Endosymbiont Theory and provide three pieces of evidence to support it. (4 pts)

7. Reebeckkah found this red, itchy rash on her skin. What is the name of the infection and the causative agent? What is the best treatment for this infection? (3 pts)

8. How do algal blooms harm other organisms in the water, such as fish? (2 pts)

9. What is one reason the flu thrives in the winter? (2 pts)

10. Which metabolic product of yeast limits bacterial growth in bread? (2 pts)