Science

November 25, 2022

The recent outbreak of E. coli O157:H7 found on fresh spinach leaves is a concern for our society. More than 180 people in 23 states have become sick, and several have died so far.

The recent outbreak of E. coli O157:H7 found on fresh spinach leaves is a concern for our society. More than 180 people in 23 states have become sick, and several have died so far. Needless to say, our food is considerably safer to eat today than it was […]

November 25, 2022

Start the discussion board by clicking on the blue, underlined “Introductions” heading. Express your original thought/post with the “Create Thread” heading, then reply to at least 2 other classmate’s original post.

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Introduce yourselves! Tell us something about yourself & your present professional career… Tell us something about your academic goals, and Why are you taking this class? Have you taken an On-Line course before, and what are your thoughts? Include a picture of yourself if you like! (optional, but appreciated!) Start […]

November 25, 2022

Human immunodeficiency virus (HIV) preferentially destroys CD4+ cells. Specifically, what effect does this have on antibody and cell-mediated immunity?

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Human immunodeficiency virus (HIV) preferentially destroys CD4+ cells. Specifically, what effect does this have on antibody and cell-mediated immunity?

November 25, 2022

Some potentially pathogenic bacteria and fungi, including strains of Enterococcus, Staphylococcus, Candida, and Aspergillus, can survive for one to three months on a variety of materials found in hospitals, including scrub suits, lab coats, plastic aprons, and computer keyboards.

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Some potentially pathogenic bacteria and fungi, including strains of Enterococcus, Staphylococcus, Candida, and Aspergillus, can survive for one to three months on a variety of materials found in hospitals, including scrub suits, lab coats, plastic aprons, and computer keyboards. What can hospital personnel do to reduce the spread of these pathogens?

November 25, 2022

Fungi tend to reproduce sexually when nutrients are limited or other conditions are unfavorable, but they reproduce asexually in more ideal conditions.

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Fungi tend to reproduce sexually when nutrients are limited or other conditions are unfavorable, but they reproduce asexually in more ideal conditions. Why is this strategy successful?

November 25, 2022

Louis Pasteur said, “The role of the infinitely small in nature is infinitely large.” Explain what he meant, using examples of the roles of microorganisms in health, industry, and the environment.

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Louis Pasteur said, “The role of the infinitely small in nature is infinitely large.” Explain what he meant, using examples of the roles of microorganisms in health, industry, and the environment.

November 25, 2022

A new chemotherapeutic drug kills bacteria but not humans. Discuss the possible ways the drug may selectively act on bacterial cells.

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A new chemotherapeutic drug kills bacteria but not humans. Discuss the possible ways the drug may selectively act on bacterial cells.

November 25, 2022

Compare and contrast aerobic respiration, anaerobic respiration, and fermentation.

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Compare and contrast aerobic respiration, anaerobic respiration, and fermentation.

November 25, 2022

Microbial Journal Article Review

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Microbial Journal Article Review In this assignment, students will review a microbial journal article. Choose one article from a primary scientific literature source that uses a microbe as a model organism/system and write a comprehensive summary of the study that answers the following questions: Choose one article from a primary scientific literature source […]

November 25, 2022

A new chemotherapeutic drug kills bacteria but not humans. Discuss the possible ways the drug may selectively act on bacterial cells.

Science

A new chemotherapeutic drug kills bacteria but not humans. Discuss the possible ways the drug may selectively act on bacterial cells. MICR290 Microbiology Week 2 Discussion Compare and contrast aerobic respiration, anaerobic respiration, and fermentation. MICR290 Microbiology Week 3 Discussion Louis Pasteur said, “The role […]

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