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Microbiology Straighterline (Quizzes) with Correct Answers 100% Pass

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  • Straighterline Microbiology
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  • Straighterline Microbiology

Microbiology Straighterline (Quizzes) with Correct Answers 100% Pass Studies by Emil von Behring and Shibasaburo Kitasato demonstrated that inactivated toxins can induce the synthesis of antitoxins in the blood of rabbits. These antitoxins (antibodies) are the basis of... a. humoral immunity ...

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  • November 18, 2024
  • 82
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • Straighterline Microbiology
  • Straighterline Microbiology
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SophiaBennett
Microbiology Straighterline (Quizzes)
with Correct Answers 100% Pass

Studies by Emil von Behring and Shibasaburo Kitasato demonstrated that inactivated

toxins can induce the synthesis of antitoxins in the blood of rabbits. These antitoxins

(antibodies) are the basis of...




a. humoral immunity


b. cell-mediated immunity


c. antibiotic immunity


d. phagocyte-mediated immunity - ANSWER✔✔-a. humoral immunity


Who of the following first discovered that some blood leukocytes could engulf disease-

causing bacteria?




a. von Behring


b. Meister


c. Metchnikoff


Copyright ©SOPHIABENNETT 2025 ACADEMIC YEARALL RIGHTS RESERVED. Page 1/82

,d. Ivanowski - ANSWER✔✔-c. Metchnikoff


Who is credited with developing a vaccine against chicken cholera?




a. Koch


b. Pasteur


c. Jenner


d. Lister - ANSWER✔✔-b. Pasteur


The concept that living organisms arise from nonliving material is called...




a. biogenesis


b. cell theory


c. spontaneous generation


d. germ theory - ANSWER✔✔-c. spontaneous generation


Protists contain all of the following forms of life EXCEPT...




a. protozoa


b. fungi


Copyright ©SOPHIABENNETT 2025 ACADEMIC YEARALL RIGHTS RESERVED. Page 2/82

,c. slime molds


d. algae - ANSWER✔✔-b. fungi


Cells with a relatively simple cell morphology that do not have a true membrane-

delimited nucleus are called...




a. prokaryotes


b. eukaryotes


c. urkaryotes


d. nokaryotes - ANSWER✔✔-a. prokaryotes


The ribosomal RNA studies that led to the division of prokaryotic organisms into the

Bacteria and the Archaea were begun by...




a. Pasteur


b. Woese


c. Needham


d. Watson - ANSWER✔✔-b. Woese


In a search for new antibiotics, a previously unknown organism has been recovered

from the soil. It is nonmotile and is composed of long threadlike structures formed from

Copyright ©SOPHIABENNETT 2025 ACADEMIC YEARALL RIGHTS RESERVED. Page 3/82

, nucleated cells. It is not-photosynthetic and absorbs its nutrients. This organism will

most likely be classified among the...




a. bacteria


b. archaea


c. eukaryotes (fungi)


d. eukaryotes (protozoa)


e. eukaryotes (algae) - ANSWER✔✔-c. eukaryotes (fungi)


If immersion oil was replaced with water, what would happen?




a. The refractive index would increase, improving resolution


b. The refractive index of water would be greater than air but less than oil, improving

resolution less than oil.


c. The refractive index of water would be less than that of air, decreasing resolution.


d. There would be no difference. - ANSWER✔✔-b. The refractive index of water would

be greater than air but less than oil, improving resolution less than oil.


Prior to staining, smears of microorganisms are heat-fixed in order to...




Copyright ©SOPHIABENNETT 2025 ACADEMIC YEARALL RIGHTS RESERVED. Page 4/82

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