Microbiology Answers

Actinomycetes are usually classed within the same taxonomic family as bacteria but in many aspects of their morphology and growth patterns resemble fungi. Explain.

Without the vital process of the biological activity of soil biota, the soil would become a respiratory of dead plant remains. True/False. Discuss your answer.

Discuss the role of the soil flora and fauna in relation to soil quality and productivity.

Actinomycetes are usually classed within the same taxonomic family as bacteria but in many aspects of their morphology and growth patterns resemble fungi. Explain.

A 9-year-old boy with a 2-day history of diarrhea presents to the emergency room with blood in his stools and increased stool volume. He has vomited once. The boy went to a cookout 5 days earlier and ate a hamburger that was still "pink" inside. On examination, he is well, apart from some dehydration. A culture of stool samples produces lactose-positive (pink) colonies on MacConkey agar, but non-fermenting colonies on MacConkey with sorbitol substituted for lactose.


Question is :What is most likely wrong with this child? What important facts led you to this diagnosis?


2.How is this organism usually spread? How could its spread be prevented?


3.What might happen to the patient?

Make a brief report of any five flu Pandemics that have occurred globally

Although thimerosal was found to have no connection to autism, it was removed from most childhood vaccines

due to public pressure. While this put many concerned parents at ease, and from this, may have increased the

rate of childhood vaccination, it decreased the shelf-life of the vaccine, making the vaccines more expensive to

produce. Was the removal of thimerosal a good decision?

Describe the following type of antimicrobial and how prokaryotes would (generally) respond to it: bacteriocidal

Describe the following type of antimicrobial and how prokaryotes would (generally) respond to it: bacteriostatic

Recently, there was a report about an outbreak with individuals complaining of

symptoms of diarrhea, blurred vision, malaise, difficulty in swallowing and speaking,

nausea and vomiting after consuming from a canned drink.What organism would you suspect to be responsible considering the product implicated and outline sequentially the steps you would take to confirm the etiologic agent responsible for the disease.