Lab 5 Eukaryotic Microbes, Parasitology, & Viruses BIO250L”
Student Name: Kadene Hewit
Access Code (located on the underside of the lid of your lab kit): AC-XTRI809
“Pre-Lab Questions”
1. What is a model organism, and why is Saccharomyces cerevisiae so often used as one?
a model organism is used in the lab to help us understand biological
processes. Saccharomyces is often used because it is fast-growing
2. Research and discuss the properties of mold that make them sometimes beneficial to humans,
and sometimes potentially harmful.
mold can be used in medication which is beneficial to our health and it is
very harmful when we inhale it.
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.
A microbiologist will be able to research different vechicles and identify the
causes and effects as well as possle cures. They will be able to diagnose
and help prevent the spread
“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 1
Bright, Water 6 1 1
, Lab 5 Eukaryotic Microbes, Parasitology, & Viruses BIO250L”
Day of First Visible Extent of Growth on Extent of Growth on
Condition
Growth Bread (Mean) Apple (Mean)
Bright, Sugar 7 2 2
Bright, Lemon 9 1 1
Bright, Vinegar 12 1 1
Dark, Control 0 0 0
Dark, Water 5 1 1
Dark, Sugar 5 2 2
Dark, Lemon 7 1 1
Dark, Vinegar 11 0 1
Post-Lab Questions
1. Which condition produced the most mold growth? The least? The fastest? The slowest?
THE fastest was with vinegar and water and the slowest would be lemon
and the least amount of growth was the vinegar
2. What was the purpose of examining three pieces of bread and three pieces of apple in each
treatment?
to see what condition would grow mold the fastest
3. Based on your results, what conditions are most favorable for mold growth on bread? On apple?
Mold is favorable to temperature and it grows faster with sugar
4. Would these conditions apply to all fungal growth?
No
5. Did you notice a difference in mold growth on the bread vs the apple? If so, what do you think
might account for this difference?
Student Name: Kadene Hewit
Access Code (located on the underside of the lid of your lab kit): AC-XTRI809
“Pre-Lab Questions”
1. What is a model organism, and why is Saccharomyces cerevisiae so often used as one?
a model organism is used in the lab to help us understand biological
processes. Saccharomyces is often used because it is fast-growing
2. Research and discuss the properties of mold that make them sometimes beneficial to humans,
and sometimes potentially harmful.
mold can be used in medication which is beneficial to our health and it is
very harmful when we inhale it.
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.
A microbiologist will be able to research different vechicles and identify the
causes and effects as well as possle cures. They will be able to diagnose
and help prevent the spread
“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 1
Bright, Water 6 1 1
, Lab 5 Eukaryotic Microbes, Parasitology, & Viruses BIO250L”
Day of First Visible Extent of Growth on Extent of Growth on
Condition
Growth Bread (Mean) Apple (Mean)
Bright, Sugar 7 2 2
Bright, Lemon 9 1 1
Bright, Vinegar 12 1 1
Dark, Control 0 0 0
Dark, Water 5 1 1
Dark, Sugar 5 2 2
Dark, Lemon 7 1 1
Dark, Vinegar 11 0 1
Post-Lab Questions
1. Which condition produced the most mold growth? The least? The fastest? The slowest?
THE fastest was with vinegar and water and the slowest would be lemon
and the least amount of growth was the vinegar
2. What was the purpose of examining three pieces of bread and three pieces of apple in each
treatment?
to see what condition would grow mold the fastest
3. Based on your results, what conditions are most favorable for mold growth on bread? On apple?
Mold is favorable to temperature and it grows faster with sugar
4. Would these conditions apply to all fungal growth?
No
5. Did you notice a difference in mold growth on the bread vs the apple? If so, what do you think
might account for this difference?
