1) What are the symptoms and a causative agent of the plague? What is zoonosis?

Question

1) What are the symptoms and a causative agent of the plague? What is zoonosis? What did surprise you most when you read about history of the plague? Is this disease as dreadful today as it used to be centuries ago? Explain your answer while finding some supporting data about recent plague cases in the USA (2010-2016).

2) A student is asked on an examination to write a description of the fungi. She blanks out. However, she remembers that fungi are eukaryotes, and she recalls the properties of eukaryotes. What information about eukaryotes from this chapter can she use to answer the question?

3) A local newspaper once contained an article about “the famous bacterial genus ecoli.” How many errors can you find in this phrase? Rewrite the phrase with the mistakes corrected.

4) A classmate who missed last week’s first lab on microscopy observes a lab partner in this week’s lab using oil immersion with the 100x objective lens. She asks her partner why he used it. ”To increase the magnification of the microscope” was his answer. Do you agree or disagree? Why?

5) Every state has an official animal, flower, and/or tree, but one state has an official bacterial species named in its honor: Methanohalophilus oregonense. What is the state and decipher the meaning of the genus name. (Note:ense =”belonging to”).

Explanation / Answer

1) Plague can be identified by 3 of the following symptoms. (a)Bubonic plague: Swollen lymph nodes, (b)pneumonic plague: respiratory attack and (c)septicemic plague: bleeding int the skin and internal organs.

Zoonosis is contagious infectious diseases transmitted from animals to humans. the fact that most of the disease originated from zoonoses surprises the reader. in earlier times knowledge of the disease and its preventive measures are limited and hence it was not dreadful for the disease in this century as we have advanced knowledge and medical facilities now.

2) the fungal cell wall properties and its metabolism can be related to the properties of the eukaryotic cell wall and eukaryotic metabolism.

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