BIOS242, Week 7, Lab 2
BIOS
Name: 242 Lab Week 7 – Micro GRADED A
Lab 14: Unknown Worksheet
Learning Objectives:
• Apply knowledge acquired in the laboratory exercises
• Predict the identity of an unknown bacteria in the given case study
Based on the dichotomous key given above, and results of the experiments you have done throughout
the course, answer the following case studies.
Case Study 1:
Justin was spending the summer with his father on their ranch in Wyoming. One day, as they were
clearing brush and branches from a deserted barn, Justin was struck in the eye with a tree branch. Part
of the tree branch penetrated Justin’s eye. The eye continued to worsen over the next few days and
Justin’s father took him to the emergency room. A culture was performed with the results shown below.
Based on the dichotomous tree, what organism has infected Justin’s eye.
Gram positive rods:
Bacillus subtilis
Lactose fermentation negative:
This study source was downloaded by 100000815611969 from CourseHero.com on 10-24-2022 06:17:01 GMT -05:00
https://www.coursehero.com/file/37648056/Lab-Week-7-Micro-docx/
BIOS
Name: 242 Lab Week 7 – Micro GRADED A
Lab 14: Unknown Worksheet
Learning Objectives:
• Apply knowledge acquired in the laboratory exercises
• Predict the identity of an unknown bacteria in the given case study
Based on the dichotomous key given above, and results of the experiments you have done throughout
the course, answer the following case studies.
Case Study 1:
Justin was spending the summer with his father on their ranch in Wyoming. One day, as they were
clearing brush and branches from a deserted barn, Justin was struck in the eye with a tree branch. Part
of the tree branch penetrated Justin’s eye. The eye continued to worsen over the next few days and
Justin’s father took him to the emergency room. A culture was performed with the results shown below.
Based on the dichotomous tree, what organism has infected Justin’s eye.
Gram positive rods:
Bacillus subtilis
Lactose fermentation negative:
This study source was downloaded by 100000815611969 from CourseHero.com on 10-24-2022 06:17:01 GMT -05:00
https://www.coursehero.com/file/37648056/Lab-Week-7-Micro-docx/
