Immunology and Microorganism Sizes

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Questions and Answers

What is the main focus of medical microbiology?

  • Study of fungi
  • Identification of microorganisms for infectious disease diagnosis (correct)
  • Study of bacteria
  • Dealing with the study of viruses

Which field of microbiology focuses on studying protozoa?

  • Mycology
  • Virology
  • Bacteriology
  • Protozology (correct)

Why is microscopy essential in microbiology?

  • To observe microorganisms too small to be seen by the naked eye (correct)
  • To classify fungi
  • To study large organisms
  • To detect viruses

What are the major categories of organisms studied in medical microbiology?

<p>Bacteria, fungi, viruses, and parasites (B)</p> Signup and view all the answers

Which of the following sciences deals specifically with the study of bacteria?

<p>Bacteriology (B)</p> Signup and view all the answers

Why are microorganisms studied in microbiology considered 'micro'?

<p>Because they are smaller than one millimeter in diameter (B)</p> Signup and view all the answers

What is the size range of human pathogenic viruses?

<p>20-300 nm (D)</p> Signup and view all the answers

Which type of microscope is needed to visualize viruses?

<p>Electron Microscope (C)</p> Signup and view all the answers

What is the key characteristic of prokaryotes?

<p>Lack of nuclei (B)</p> Signup and view all the answers

Which kingdom includes bacteria?

<p>Monera (C)</p> Signup and view all the answers

What are viruses composed of?

<p>Nucleic acid and protein (A)</p> Signup and view all the answers

What is the general size range of bacteria of medical importance?

<p>0.2-1.5 μm in diameter (B)</p> Signup and view all the answers

Which of the following is the correct definition of an organelle?

<p>A structure within the cytoplasm that performs a specific function (A)</p> Signup and view all the answers

What is the main difference between prokaryotic and eukaryotic cells?

<p>Eukaryotic cells have membrane-bound organelles, while prokaryotic cells do not (D)</p> Signup and view all the answers

Which of the following organelles is responsible for energy production in eukaryotic cells?

<p>Mitochondria (B)</p> Signup and view all the answers

What is the primary function of ribosomes in both prokaryotic and eukaryotic cells?

<p>Protein synthesis (C)</p> Signup and view all the answers

Which of the following structures is found in prokaryotic cells but not in eukaryotic cells?

<p>Cell wall (A)</p> Signup and view all the answers

What is one of the primary roles of microorganisms in food production?

<p>Facilitating fermentation processes (D)</p> Signup and view all the answers

Which of the following is NOT an example of how microorganisms contribute to human health?

<p>Causing infectious diseases (C)</p> Signup and view all the answers

Which field utilizes microorganisms for the production of foods, drugs, and vaccines?

<p>Biotechnology (B)</p> Signup and view all the answers

What is the primary role of microorganisms in the field of genetic engineering?

<p>Manipulating the genes of organisms to make new products (A)</p> Signup and view all the answers

What is the purpose of bioremediation using microorganisms?

<p>Using living organisms to remedy an environmental problem (A)</p> Signup and view all the answers

Which of the following is an example of how microorganisms are used in medicine?

<p>Producing vaccines and antibiotics (D)</p> Signup and view all the answers

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