Lab 5 Eukaryotic Microbes, Parasitology, & Viruses BIO250L”
Student Name: Olusola Raphael Adeoshun
Access Code (located on the underside of the lid of your lab kit): M6P8RHO
“Pre-Lab Questions”
1. What is a model organism, and why is Saccharomyces cerevisiae so often used as one?
Microbiology, molecular biology and biochemistry labs all use model
organisms for analysis and research. Attributes such as small size, low
costs and fast growth rate are some of the reasons why Saccharomyces
cerevisiae is often used as one.
2. Research and discuss the properties of mold that make them sometimes beneficial to humans,
and sometimes potentially harmful.
Research shows that mold can be harmful and also beneficial both to humans. Major benefit is
that it is a cheaper way to produce citric acid while a major harm is that exposure to mold can
cause asthma or irritate the eyes, nose, throat or lungs of humans.
3. Parasitic helminths are a major cause of disease in undeveloped countries around the world.
Discuss the role that microbiologists can and have played in helping to reduce the number of
infections caused by parasitic helminths.
Microbiologists have made a major difference by studying the distinctive parasitic
mode of transmission, diagnosis and treatment thereby causing reduction in the
number of infections. Recognition of the attributes of diagnosis and the prevention of
This study source was downloaded by 100000824189183 from CourseHero.com on 04-20-2022 05:05:16 GMT -05:00
https://www.coursehero.com/file/102910645/BIO250L-Lab-5docx/
, Lab 5 Eukaryotic Microbes, Parasitology, & Viruses BIO250L”
transmission by superior cleanliness and immunization are parts of the major
breakthrough in microbiology.
“EXPERIMENT 1: Mold Growth on Bread and Fruit
Data Tables
Table 1: Experiment 1 Growth Results
Day of First Visible Extent of Growth on Extent of Growth on
Condition
Growth Bread (Mean) Apple (Mean)
Bright, Control 10 1 2
Bright, Water 7 1 2
Bright, Sugar 10 1 2
Bright, Lemon 10 3 3
Bright, Vinegar 6 2 2
Dark, Control 0 0 0
Dark, Water 11 1 1
Dark, Sugar 0 0 0
Dark, Lemon 8 1 1
Dark, Vinegar 8 1 2
Post-Lab Questions
1. Which condition produced the most mold growth? The least? The fastest? The slowest?
The bright lemon produced the foremost mold while the dark control
produced the slightest. The speediest condition was the bright vinegar
while the dark water was the slowest.
This study source was downloaded by 100000824189183 from CourseHero.com on 04-20-2022 05:05:16 GMT -05:00
https://www.coursehero.com/file/102910645/BIO250L-Lab-5docx/
Student Name: Olusola Raphael Adeoshun
Access Code (located on the underside of the lid of your lab kit): M6P8RHO
“Pre-Lab Questions”
1. What is a model organism, and why is Saccharomyces cerevisiae so often used as one?
Microbiology, molecular biology and biochemistry labs all use model
organisms for analysis and research. Attributes such as small size, low
costs and fast growth rate are some of the reasons why Saccharomyces
cerevisiae is often used as one.
2. Research and discuss the properties of mold that make them sometimes beneficial to humans,
and sometimes potentially harmful.
Research shows that mold can be harmful and also beneficial both to humans. Major benefit is
that it is a cheaper way to produce citric acid while a major harm is that exposure to mold can
cause asthma or irritate the eyes, nose, throat or lungs of humans.
3. Parasitic helminths are a major cause of disease in undeveloped countries around the world.
Discuss the role that microbiologists can and have played in helping to reduce the number of
infections caused by parasitic helminths.
Microbiologists have made a major difference by studying the distinctive parasitic
mode of transmission, diagnosis and treatment thereby causing reduction in the
number of infections. Recognition of the attributes of diagnosis and the prevention of
This study source was downloaded by 100000824189183 from CourseHero.com on 04-20-2022 05:05:16 GMT -05:00
https://www.coursehero.com/file/102910645/BIO250L-Lab-5docx/
, Lab 5 Eukaryotic Microbes, Parasitology, & Viruses BIO250L”
transmission by superior cleanliness and immunization are parts of the major
breakthrough in microbiology.
“EXPERIMENT 1: Mold Growth on Bread and Fruit
Data Tables
Table 1: Experiment 1 Growth Results
Day of First Visible Extent of Growth on Extent of Growth on
Condition
Growth Bread (Mean) Apple (Mean)
Bright, Control 10 1 2
Bright, Water 7 1 2
Bright, Sugar 10 1 2
Bright, Lemon 10 3 3
Bright, Vinegar 6 2 2
Dark, Control 0 0 0
Dark, Water 11 1 1
Dark, Sugar 0 0 0
Dark, Lemon 8 1 1
Dark, Vinegar 8 1 2
Post-Lab Questions
1. Which condition produced the most mold growth? The least? The fastest? The slowest?
The bright lemon produced the foremost mold while the dark control
produced the slightest. The speediest condition was the bright vinegar
while the dark water was the slowest.
This study source was downloaded by 100000824189183 from CourseHero.com on 04-20-2022 05:05:16 GMT -05:00
https://www.coursehero.com/file/102910645/BIO250L-Lab-5docx/
