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QR Challenge: Lecture Exam #2 Review

Created using the ClassTools QR Treasure Hunt Generator

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Teacher Notes

A. Prior to the lesson:

1. Arrange students into groups. Each group needs at least ONE person who has a mobile device.

2. If their phone camera doesn't automatically detect and decode QR codes, ask students to

3. Print out the QR codes.

4. Cut them out and place them around your class / school.

B. The lesson:

1. Give each group a clipboard and a piece of paper so they can write down the decoded questions and their answers to them.

2. Explain to the students that the codes are hidden around the school. Each team will get ONE point for each question they correctly decode and copy down onto their sheet, and a further TWO points if they can then provide the correct answer and write this down underneath the question.

3. Away they go! The winner is the first team to return with the most correct answers in the time available. This could be within a lesson, or during a lunchbreak, or even over several days!

C. TIPS / OTHER IDEAS

4. A detailed case study in how to set up a successful QR Scavenger Hunt using this tool can be found here.

Questions / Answers (teacher reference)

Question

Answer

1. What is the difference between disinfection and antisepsis? Provide an example of an antisepticAntisepsis is used on living tissue, while disinfection is used on fomites.Ex of antiseptic: hydrogen peroxide and isopropyl alcohol
2. What is the difference between dry-heat sterilization and moist-heat sterilization? Which is more effective and why?Dry Heat involves using an open flame or incineration to kill microbes, while moist-heat utilizes steam. Moist heat is more effective because it penetrates cell walls better.
3. What BSL level would a lab have if it was working with organisms such as Mycobacterium tuberculosis, Bacillus anthracis, West Nile Virus, and HIV?BSL-3
4. What is a HEPA filter? What BSL level would you see this in?Remove microbes and viruses as air flows through them; BSL-4
5. What is pasteurization, and what is the difference between UHT and HTST?Utilizes heat; kills pathogens and reduces the number of spoilage causing microbes while maintaining food quality
6. What are physical methods of controlling microbial growth that utilize temperature?Boiling, dry heat, incineration, autoclave, pasteurization; Freezing and low temps (refrigeration)
7. What is the difference between desiccation and lyophilization?Desiccation: Drying out things by adding solutes Lyophilization: Freeze drying
8. In what product would you find Triclosan in?Soaps
9. What did Paul Ehrlich discover?Compound 606: treatment for syphilis
10. What is a superinfection, and can a person acquire one?infection occurring on top or after an earlier infection;Acquire from overuse of broad spectrum antimicrobials, Drug resistant pathogens proliferate
11. A patient takes antacids that increase the pH of the stomach. Because of this, another antimicrobial that they are taking is not absorbed as well. Is this demonstrating synergism or antagonism, and why?Antagonism; using both decreases the effectiveness of the antimicrobials
12. Polymyxins and Lipopeptides both attack what structure on a bacterial cell?Plasma membrane
13. What structure do all B-lactam antibiotics have in common?B-Lactam ring (common core nucleus)
14. Which generation of cephalosporins is narrow spectrum?First generation (act against GP bacteria)
15. What are the 2 main groups of antimicrobials that attack the cell wall?B-lactam antibiotics and Glycopeptides
16. What group of antibiotics do vancomycin and bacitracin fall under?Glycopeptides
17. What ribosomal subunit do chloramphenicol, lincosamides, and macrolides fall under? What ribosomal subunit do tetracyclines and aminoglycosides fall under?Chloramphenicol, lincosamides and macrolides: 50s; Tetracyclines and aminoglycosides: 30s
18. What do sulfonamides and trimethoprim attack/inhibit?Folic acid synthesis
19. What structures in fungi do Imidazoles, Polyenes, and Nikkomycins attack?Imidazoles and Polyenes: Ergosterol biosynthesis; Nikkomycins: Chitin Cell wall
20. What do Fluoroquinolones and Rifampicin attack/inhibit?Fluoroquinolones: DNA synthesis; Rifamycin: RNA synthesis
21. What disease can Rifampin be used against?Tuberculosis
22. Using the terms catabolic, anabolic, endergonic, and exergonic, classify the reactions of photosynthesis and cellular respiration.Photosynthesis: Anabolic and Endergonic Cellular Respiration: Catabolic and Exergonic
23. How do enzymes speed up chemical reactions?They lower the activation energy
24. Describe the difference between competitive and noncompetitive inhibition.Competitive: Inhibitor binds to active site and blocks substrate from binding; Noncompetitive: Inhibitor binds to allosteric site, changes shape of enzyme which prevents substrate from binding
25. What is the difference between aerobic and anaerobic cellular respiration?Aerobic: Uses Oxygen, Anaerobic: Does glycolysis, but then does fermentation
26. What are the 3 major steps in aerobic cellular respiration?
27. Where does the Citric Acid Cycle and Electron Transport chain occur in eukaryotes?
28. What is the final electron acceptor in the Electron Transport chain?
29. What are 2 types of fermentation?
30. What are the 2 reaction stages in photosynthesis? What are the overall reactants and products in this process?
31. Describe the shape of DNA, and the 3 components in a DNA nucleotide.
32. Which bases in DNA nucleotides are purines and pyrimidines, and how many carbon rings do they have?
33. How are DNA bases paired according to Chargaff’s rules?
34. Where does transcription and translation occur in prokaryotes and eukaryotes?
35. What happens in transcription and translation?
36. What is the difference between mRNA, tRNA, and rRNA?
37. In protozoans, what are the contractile vacuoles, cytosomes, cytoproct, and plasmalemma?
38. What are the modes of locomotion for Paramecium, Amoeba, and Euglena?
39. What diseases do Entamoeba, Naegleria fowleri, and Acanthamoeba cause?
40. What disease does Plasmodium cause?
41. What disease does Balantidium coli cause?
42. What diseases do Giardia lamblia and Trichomonas vaginalis cause?
43. Why are Euglena different from other Protozoans?
44. What are dimorphic fungi?
45. Why are dinoflagellates harmful?

 


Lecture Exam #2 Review : QR Challenge

https://www.classtools.net/QR/decode.php?text=What_is_the_difference_between_disinfection_and_antisepsis?_Provide_an_example_of_an_antiseptic

Question 1 (of 45)

 


Lecture Exam #2 Review : QR Challenge

https://www.classtools.net/QR/decode.php?text=What_is_the_difference_between_dry-heat_sterilization_and_moist-heat_sterilization?_Which_is_more_effective_and_why?

Question 2 (of 45)

 


Lecture Exam #2 Review : QR Challenge

https://www.classtools.net/QR/decode.php?text=What_BSL_level_would_a_lab_have_if_it_was_working_with_organisms_such_as_Mycobacterium_tuberculosis,_Bacillus_anthracis,_West_Nile_Virus,_and_HIV?

Question 3 (of 45)

 


Lecture Exam #2 Review : QR Challenge

https://www.classtools.net/QR/decode.php?text=What_is_a_HEPA_filter?_What_BSL_level_would_you_see_this_in?

Question 4 (of 45)

 


Lecture Exam #2 Review : QR Challenge

https://www.classtools.net/QR/decode.php?text=What_is_pasteurization,_and_what_is_the_difference_between_UHT_and_HTST?

Question 5 (of 45)

 


Lecture Exam #2 Review : QR Challenge

https://www.classtools.net/QR/decode.php?text=What_are_physical_methods_of_controlling_microbial_growth_that_utilize_temperature?

Question 6 (of 45)

 


Lecture Exam #2 Review : QR Challenge

https://www.classtools.net/QR/decode.php?text=What_is_the_difference_between_desiccation_and_lyophilization?

Question 7 (of 45)

 


Lecture Exam #2 Review : QR Challenge

https://www.classtools.net/QR/decode.php?text=In_what_product_would_you_find_Triclosan_in?

Question 8 (of 45)

 


Lecture Exam #2 Review : QR Challenge

https://www.classtools.net/QR/decode.php?text=What_did_Paul_Ehrlich_discover?

Question 9 (of 45)

 


Lecture Exam #2 Review : QR Challenge

https://www.classtools.net/QR/decode.php?text=What_is_a_superinfection,_and_can_a_person_acquire_one?

Question 10 (of 45)

 


Lecture Exam #2 Review : QR Challenge

https://www.classtools.net/QR/decode.php?text=A_patient_takes_antacids_that_increase_the_pH_of_the_stomach._Because_of_this,_another_antimicrobial_that_they_are_taking_is_not_absorbed_as_well._Is_this_demonstrating_synergism_or_antagonism,_and_why?

Question 11 (of 45)

 


Lecture Exam #2 Review : QR Challenge

https://www.classtools.net/QR/decode.php?text=Polymyxins_and_Lipopeptides_both_attack_what_structure_on_a_bacterial_cell?

Question 12 (of 45)

 


Lecture Exam #2 Review : QR Challenge

https://www.classtools.net/QR/decode.php?text=What_structure_do_all_B-lactam_antibiotics_have_in_common?

Question 13 (of 45)

 


Lecture Exam #2 Review : QR Challenge

https://www.classtools.net/QR/decode.php?text=Which_generation_of_cephalosporins_is_narrow_spectrum?

Question 14 (of 45)

 


Lecture Exam #2 Review : QR Challenge

https://www.classtools.net/QR/decode.php?text=What_are_the_2_main_groups_of_antimicrobials_that_attack_the_cell_wall?

Question 15 (of 45)

 


Lecture Exam #2 Review : QR Challenge

https://www.classtools.net/QR/decode.php?text=What_group_of_antibiotics_do_vancomycin_and_bacitracin_fall_under?

Question 16 (of 45)

 


Lecture Exam #2 Review : QR Challenge

https://www.classtools.net/QR/decode.php?text=What_ribosomal_subunit_do_chloramphenicol,_lincosamides,_and_macrolides_fall_under?_What_ribosomal_subunit_do_tetracyclines_and_aminoglycosides_fall_under?

Question 17 (of 45)

 


Lecture Exam #2 Review : QR Challenge

https://www.classtools.net/QR/decode.php?text=What_do_sulfonamides_and_trimethoprim_attack/inhibit?

Question 18 (of 45)

 


Lecture Exam #2 Review : QR Challenge

https://www.classtools.net/QR/decode.php?text=What_structures_in_fungi_do_Imidazoles,_Polyenes,_and_Nikkomycins_attack?

Question 19 (of 45)

 


Lecture Exam #2 Review : QR Challenge

https://www.classtools.net/QR/decode.php?text=What_do_Fluoroquinolones_and_Rifampicin_attack/inhibit?

Question 20 (of 45)

 


Lecture Exam #2 Review : QR Challenge

https://www.classtools.net/QR/decode.php?text=What_disease_can_Rifampin_be_used_against?

Question 21 (of 45)

 


Lecture Exam #2 Review : QR Challenge

https://www.classtools.net/QR/decode.php?text=Using_the_terms_catabolic,_anabolic,_endergonic,_and_exergonic,_classify_the_reactions_of_photosynthesis_and_cellular_respiration.

Question 22 (of 45)

 


Lecture Exam #2 Review : QR Challenge

https://www.classtools.net/QR/decode.php?text=How_do_enzymes_speed_up_chemical_reactions?

Question 23 (of 45)

 


Lecture Exam #2 Review : QR Challenge

https://www.classtools.net/QR/decode.php?text=Describe_the_difference_between_competitive_and_noncompetitive_inhibition.

Question 24 (of 45)

 


Lecture Exam #2 Review : QR Challenge

https://www.classtools.net/QR/decode.php?text=What_is_the_difference_between_aerobic_and_anaerobic_cellular_respiration?

Question 25 (of 45)

 


Lecture Exam #2 Review : QR Challenge

https://www.classtools.net/QR/decode.php?text=What_are_the_3_major_steps_in_aerobic_cellular_respiration?

Question 26 (of 45)

 


Lecture Exam #2 Review : QR Challenge

https://www.classtools.net/QR/decode.php?text=Where_does_the_Citric_Acid_Cycle_and_Electron_Transport_chain_occur_in_eukaryotes?

Question 27 (of 45)

 


Lecture Exam #2 Review : QR Challenge

https://www.classtools.net/QR/decode.php?text=What_is_the_final_electron_acceptor_in_the_Electron_Transport_chain?

Question 28 (of 45)

 


Lecture Exam #2 Review : QR Challenge

https://www.classtools.net/QR/decode.php?text=What_are_2_types_of_fermentation?

Question 29 (of 45)

 


Lecture Exam #2 Review : QR Challenge

https://www.classtools.net/QR/decode.php?text=What_are_the_2_reaction_stages_in_photosynthesis?_What_are_the_overall_reactants_and_products_in_this_process?

Question 30 (of 45)

 


Lecture Exam #2 Review : QR Challenge

https://www.classtools.net/QR/decode.php?text=Describe_the_shape_of_DNA,_and_the_3_components_in_a_DNA_nucleotide.

Question 31 (of 45)

 


Lecture Exam #2 Review : QR Challenge

https://www.classtools.net/QR/decode.php?text=Which_bases_in_DNA_nucleotides_are_purines_and_pyrimidines,_and_how_many_carbon_rings_do_they_have?

Question 32 (of 45)

 


Lecture Exam #2 Review : QR Challenge

https://www.classtools.net/QR/decode.php?text=How_are_DNA_bases_paired_according_to_Chargaff’s_rules?

Question 33 (of 45)

 


Lecture Exam #2 Review : QR Challenge

https://www.classtools.net/QR/decode.php?text=Where_does_transcription_and_translation_occur_in_prokaryotes_and_eukaryotes?

Question 34 (of 45)

 


Lecture Exam #2 Review : QR Challenge

https://www.classtools.net/QR/decode.php?text=What_happens_in_transcription_and_translation?

Question 35 (of 45)

 


Lecture Exam #2 Review : QR Challenge

https://www.classtools.net/QR/decode.php?text=What_is_the_difference_between_mRNA,_tRNA,_and_rRNA?

Question 36 (of 45)

 


Lecture Exam #2 Review : QR Challenge

https://www.classtools.net/QR/decode.php?text=In_protozoans,_what_are_the_contractile_vacuoles,_cytosomes,_cytoproct,_and_plasmalemma?

Question 37 (of 45)

 


Lecture Exam #2 Review : QR Challenge

https://www.classtools.net/QR/decode.php?text=What_are_the_modes_of_locomotion_for_Paramecium,_Amoeba,_and_Euglena?

Question 38 (of 45)

 


Lecture Exam #2 Review : QR Challenge

https://www.classtools.net/QR/decode.php?text=What_diseases_do_Entamoeba,_Naegleria_fowleri,_and_Acanthamoeba_cause?

Question 39 (of 45)

 


Lecture Exam #2 Review : QR Challenge

https://www.classtools.net/QR/decode.php?text=What_disease_does_Plasmodium_cause?

Question 40 (of 45)

 


Lecture Exam #2 Review : QR Challenge

https://www.classtools.net/QR/decode.php?text=What_disease_does_Balantidium_coli_cause?

Question 41 (of 45)

 


Lecture Exam #2 Review : QR Challenge

https://www.classtools.net/QR/decode.php?text=What_diseases_do_Giardia_lamblia_and_Trichomonas_vaginalis_cause?

Question 42 (of 45)

 


Lecture Exam #2 Review : QR Challenge

https://www.classtools.net/QR/decode.php?text=Why_are_Euglena_different_from_other_Protozoans?

Question 43 (of 45)

 


Lecture Exam #2 Review : QR Challenge

https://www.classtools.net/QR/decode.php?text=What_are_dimorphic_fungi?

Question 44 (of 45)

 


Lecture Exam #2 Review : QR Challenge

https://www.classtools.net/QR/decode.php?text=Why_are_dinoflagellates_harmful?

Question 45 (of 45)