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Micro Final Exam Portage Learning/questions and asnwers/2025 newest, Exams of Microbiology

University of Michigan (UM) - Ann ArborMicrobiology

A dilution gradient is formed when carrying out what generalize plating strategy? - Phase Dilution streak A drug company is trying to develop a new drug that will inhibit viral entry of Influenza. Would the drug company target hemagglutinin proteins or neuraminidase proteins? Why? - Hemagglutinins because hemagglutinins are involved in entry of viral particle into a host's cell. Whereas, neuraminidase is involved in budding and relase of the new viral particles from the host cell. By whom and where was the first polio vaccine developed? - University of Pittsburgh By Jonas Stalk at the Identify the following cellular components by matching the number with the description. - 1) Nucleus 2) Lysosome 3) Plasma Membrane 4) Golgi Aparatus 5) Rough Endoplasmic Reticulum Identify what type of electron microscope was used to capture the following image and explain your choice (A). - Transmission Electron Microscope (TEM)

Typology: Exams

2024/2025

Available from 07/15/2025

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Micro Final Exam Portage Learning/questions
and asnwers/2025 newest
A dilution gradient is formed when carrying out what generalize plating strategy? - Phase-
Dilution streak
A drug company is trying to develop a new drug that will inhibit viral entry of Influenza. Would
the drug company target hemagglutinin proteins or neuraminidase proteins? Why? -
Hemagglutinins because hemagglutinins are involved in entry of viral particle into a
host's cell. Whereas, neuraminidase is involved in budding and relase of the new viral particles
from the host cell.
By whom and where was the first polio vaccine developed? - By Jonas Stalk at the
University of Pittsburgh
Identify the following cellular components by matching the number with the description. -
1) Nucleus
2) Lysosome
3) Plasma Membrane
4) Golgi Aparatus
5) Rough Endoplasmic Reticulum
Identify what type of electron microscope was used to capture the following image and explain
your choice (A). - Transmission Electron Microscope (TEM)
This shows a 2D image of the internal structure, which is only shown by TEM.
pf3
pf4
pf5

Partial preview of the text

Download Micro Final Exam Portage Learning/questions and asnwers/2025 newest and more Exams Microbiology in PDF only on Docsity!

Micro Final Exam Portage Learning/questions

and asnwers/2025 newest

A dilution gradient is formed when carrying out what generalize plating strategy? - Phase- Dilution streak A drug company is trying to develop a new drug that will inhibit viral entry of Influenza. Would the drug company target hemagglutinin proteins or neuraminidase proteins? Why? - Hemagglutinins because hemagglutinins are involved in entry of viral particle into a host's cell. Whereas, neuraminidase is involved in budding and relase of the new viral particles from the host cell. By whom and where was the first polio vaccine developed? - By Jonas Stalk at the University of Pittsburgh Identify the following cellular components by matching the number with the description. -

  1. Nucleus
  2. Lysosome
  3. Plasma Membrane
  4. Golgi Aparatus
  5. Rough Endoplasmic Reticulum Identify what type of electron microscope was used to capture the following image and explain your choice (A). - Transmission Electron Microscope (TEM) This shows a 2D image of the internal structure, which is only shown by TEM.

Identify what type of electron microscope was used to capture the following image and explain your choice (B). - Scanning electron microscope and we can tell based on the trademark shell that is shown in the 20 nm image. In phosphorylation, the light reactions always occur where? - Membrane In the absence of glucose, which of the following cannot be used as alternative energy sources? Select all that apply. Carbohydrates Lactose Fatty acid chains Nucleic acids - Nucleic acids In what phase of a dilution streak would you expect to find the highest concentration of bacteria, P2 or P4? - P List the following disease: - Anthrax The alpha-toxin perfringolysin is associated with which medical condition caused by Gram- positive anaerobic bacteria? Gas gangrene Tetanus Leprosy Botulism - Gas gangrene The combination of the cell membrane and the outer membrane is referred to as the (select all that apply)

ATP

CO

Glyceraldehyde- 3 - phosphate - NADPH ATP True of False. All multicellular microorganisms classified as Animalia are heterotropic. - True True or False: A defining characteristic of Protista is the inability of colonies to form tissue layers.

  • True True or False: A Giemsa stain can be used to determine the presence of pathogenic bacteria. - True True or False: If you wish to study the motility of an organism you cannot heat fix, but you can chemically fix the specimen. - False both heat and chemical will kill the cell True or False: The Calvin cycle must occur in the absence of light. - False True or False: The distinguishing characteristic of Gram-Negative bacteria is the presence of LPS in the outer membrane. - True True or False. Bubonic plague is often characterized by painfully swollen lymph nodes. - True True or False. Chlyamida is an obligate parasite and as such can be grown on agar plates alone. - False

True or False. Only directly ingesting the pre-formed clostridium toxin (neither the bacteria nor its spores) will cause disease in adults. - True True or False. Plants, algae and bacteria all contain chloroplasts. - False True or False. Similar to chickenpox, the blisters that appear with shingles can cover the entire body. - False True or False. The purpose of a quadrant streak is to produce individual colonies of a bacterial population. - True True or False. The viral capsid of HIV is dumbbell shaped and contains ~2,000 copies of the viral protein p24. - False True or False. The β-oxidation pathway catabolizes the fatty acid chains of lipids. - True True or False. There are currently no cures for tetanus. - True True or False. To restrict the growth of a pathogenic microbe a researcher might decrease an incubator from 37°C to 25°C. - True True or False. When performing a dilution streak a new (or sterilized) loop is not required for each phase as long as the bacterial culture is pure. - False What is the primary byproduct of the TCA cycle? Select all that apply. FADH

You want to observe the size and shape of a cell. What is the easiest staining technique that you could perform? Name at least one dye you would use during this process. - Simple stain and I would use crystal violet