This DeVry course covers basic concepts of microbiology, with emphasis on medically important microorganisms and infectious diseases. Also addressed are microscopy, microbial growth and genetics, antimicrobial agents, epidemiology, and immune system responses to pathogens. Lab exercises focus on aseptic techniques; isolation and culture of microorganisms; microscopy; and staining techniques. Prerequisite: BIOS-140 or CHEM-120 / 5-4
4.000 Credit hours
Midterm Exam + Final Exam + Final Exam Study Guide (Bundled)
BIOS 242 Week 4 Midterm Exam (50 MCQs) -- $30.00BIOS 242 Week 8 Final Exam (40 MCQs) -- $25.00BIOS 242 Week 8 Final Exam Study Guide (11 Questions) -- $25.00Note: This Bundle is cheaper than the individual Exams...
Questions 1-11:1. (TCO 1) Why are microorganisms so important to our ecosystems?2. (TCO 1) The scientific method consists of four basic steps. Which
option below shows the correct sequence of events?3. (TCO 1) Which of the following is a practical application of the use
of Saccharomyces cerevisiae?4. (TCO 1) Which of the following statement(s) is true of yeasts?5. (TCO 2) Which of the following is NOT an example..
Questions 1-11: 1. (TCO 3) If you were trying to visualize flagella without staining,
which microscope would you use? (Points: 2)
2. (TCO 3) The microscope preferred for viewing living specimens is the
____ microscope. (Points: 2)
3. (TCO 3) Which of the following staining procedures uses heat to
drive the stain in? (Points: 2)
4. (TCO 3) Carbolfuchsin is the ____ in the acid-fast stain. (Points:
2)
5. (TCO 3) All..
Questions 1-11: 1. (TCO 5) Anabolic reactions may be characterized as _____. (Points:
2)
2. (TCO 5) Enzymes known as lyases participate in _____ reactions.
(Points: 2)
3. (TCO 5) Which of the following statements about fermentation is incorrect?
(Points: 2)
4. (TCO 5) The metabolic processes called fermentation _____. (Points:
2)
5. (TCO 6) An aligned pair of homologous chromosomes is..
Questions 1-50:1. Antoni van Leeuwenhoek was the first person in history to2. Microbes that can live in the presence or absence of oxygen are
called3. Which of the following scientists provided evidence in favor of the
concept of spontaneous generation?4. The microbial production of alcohol from sugar is known as5. Which of the following statements concerning Koch's postulates is
false?6. The study of the body's defens..
Questions 1-10: 1. (TCO 9) Sebum is secreted by
____ and is used for ____.
2. (TCO 9) The complement system
is involved in all the following except ___.
3. (TCO 9) The fluid called pus
_____.
4. (TCO 9) Stem cells are undifferentiated.
This means that ____.
5. (TCO 9) Mast cells release
_____.
6. (TCO 9) Surface proteins can
help scientists distinguish between ____...
Questions 1-11:1. Symbiotic microbes may be ___.2. The common cold is classified as ___.3. The vector responsible for transmission of
malaria is the ___.4. Which of the following statements is one of
Koch’s postulates?5. A disease that is continually and normally
found in an area is described as __.6. The common name for a furuncle is ___.7. Shingles, or herpes zoster, is caused by the
same virus that causes ___...
Questions 1-40:1. Definitions to know: 2. Types of healthcare associated infections (HAIs)3. Know the characteristics of prokaryotic cells – i.e. no nucleus4. What does prokaryotic mean?5. Know how we measure bacterial cells.6. Know the constituents of the cell wall of both gram positive and
gram-negative bacteria.7. Know the principle of the gram stain and how it works.8. Know the different oxygen re..
TCO 1: Given a list of Koch's postulates, analyze how early microbiologists
proposed hypotheses and performed experiments to determine the causes of
various diseases. Describe the
contributions of Leeuwenhoek and Koch to the field of microbiology. Describe the
six different categories in which the organisms described by Leeuwenhoek were
grouped.
TCO 2 – Given pictures of a variety of microorganisms including fungi,
protozoa, bacteria, and viru..