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UTA Microbiology Exam 3 2024 Actual Questions with Verified Answers, 100% Guarantee Pass $12.49   Add to cart

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UTA Microbiology Exam 3 2024 Actual Questions with Verified Answers, 100% Guarantee Pass

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  • Course
  • Microbiology UTA
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  • Microbiology UTA

UTA Microbiology Exam 3 2024 Actual Questions with Verified Answers, 100% Guarantee Pass

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  • August 21, 2024
  • 34
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • Microbiology UTA
  • Microbiology UTA
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UTA Microbiology Exam 3.pdf file:///C:/Users/HP/Desktop/NIW/UTA%20Microbiology%20Exam%




UTA Microbiology Exam 3



1. 4 Basic Steps of binary fission

ANS 1. Growth of cell size

2. Replication of DNA

3. Division of cytoplasm

4. Septum formation & cell division

2. Z Ring Assembly

ANS FtsZ assembles Z ring to form divisome

3. Generation Time

ANS time it takes to double the population

4. Lag Phase

ANS Cells adjust to culture medium; no change in population

5. What factors determine the duration of the lag phase?

ANS Genetic makeup, media composition, initial inoculum size

6. During which phase of the growth curve is it most appropriate for the use of

antibiotics?





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,UTA Microbiology Exam 3.pdf file:///C:/Users/HP/Desktop/NIW/UTA%20Microbiology%20Exam%




ANS Log phase

7. Following the death phase of the growth curve, cells are considered the surviving

cells & are considered clinically important due to their association with chronic

infections, such as Tuberculosis.

ANS Persisters

8. Log Phase

ANS Binary fission occurs; cell replication > cell death

9. Stationary Phase

ANS Resources become depleted; cell respiration=cell death

10. Death Phase

ANS Endospores can form; cell replication < cell death

11. Close System Cultures

ANS Have finite resources

12. Open System Cultures

ANS -Nutrients and air are replenished

-Dead cells and waste are removed

-Beneficial for industrial microbiology

13. Microscopic Cell Count





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,UTA Microbiology Exam 3.pdf file:///C:/Users/HP/Desktop/NIW/UTA%20Microbiology%20Exam%




ANS Cells are counted under a microscope using a laser etched slide

14. In using the direct microscopic cell count method, you will be able to distinguish

between live vs dead cells.

ANS False

15. Fluorescence Staining

ANS Cells are counted under a microscope or flow cytome- ter

16. In fluorescent staining, the end product results in live cells staining

?

ANS Green

17. In fluorescent staining, the end product results in dead cells staining

?

ANS Red

18. Coulter counting

ANS Detects electrical resistance change due to cell density

19. Viable Cell Counts

ANS Samples are diluted and grown on solid media

20. What type of cells are counted when using the viable plate count method?-







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,UTA Microbiology Exam 3.pdf file:///C:/Users/HP/Desktop/NIW/UTA%20Microbiology%20Exam%




ANS Living

21. Countable Range

ANS 30-300 CFU/ml

22. Optical Density

ANS -Measured with spectrophotometer

-Light is passed thru culture and measured on other side









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