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BIO250 5 Lab Eukaryotic Microbes, Parasitology,& Viruses
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BIO250 5 Lab Eukaryotic Microbes, Parasitology,& Viruses BIO250 5 Lab Eukaryotic Microbes, Parasitology,& Viruses
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BIO250 5 Lab Eukaryotic Microbes,Parasitology, & Viruses
Lab Report Format Expectations
Utilize college level grammar and professional formaṄng when completing this worksheet.
Submissions without proper formaṄng, all required photos or sufficient responses will be rejected.
Pre-lab Questions
1. What is a model organism, and why is Saccharomyces cerevisiae so often used as one?
Model organisms are microorganisms used in laboratories to study biological processes that
apply to various forms of life. Saccharomyces cerevisiae is frequently used in cell division
research because it represents a simpler eukaryote while also providing insights applicable
to more complex organisms.
2. Research and discuss the properties of mold that make them sometimes beneficial to
humans, and sometimes potentially harmful.
Molds can produce useful acids that are important in the manufacture of chemicals, medicines,
and food. They also play a role in breaking down and recycling materials, which benefits the
environment. However, some molds can produce harmful toxins or cause illnesses when
ingested.
3. The lab guide discussed “acellular” organisms. What characteristics classify them as
acellular? Would you consider these living organisms?
Viruses are classified as acellular organisms because they consist only of DNA and a single
protein coat. Whether they are considered living organisms is a matter of debate due to their
lack of cellular structure and independent metabolic activity.
4. Do some research and describe an acellular organism other than the two types discussed in
the lab materials.
Prions are infectious, protein-based particles responsible for diseases such as scrapie and
Creutzfeldt-Jakob disease. They are acellular because they do not contain nucleic acids, are
resistant to heat and radiation, and have a rod-like structure. Prions are associated with
, several chronic neurological disorders.
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