Microbiology Lab

Course Content from eScience Labs
Course Number: BIO250L
Download Course Syllabus

This lab-only course is designed as a standalone addition to StraighterLine’s Microbiology course. Students will complete at-home laboratory experiments, track and record results, answer lab-based questions reflected in graded lab reports, and complete lab-based assessments to meet the lab requirement. The labs are provided by eScience Labs, a leading provider of at-home lab kits and online lab instructional materials and resources.

Information about the required lab kit is available in the "Course Text" tab below.

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Self Paced
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Course Objectives

After completing this course, you will be able to:

  • describe the various types of microorganisms
  • quantify the number of microorganisms in a given sample
  • use proper technique to culture bacteria
  • explain the techniques used to control microbial growth
  • discuss how microbes are used in food production
  • describe how different types of media can be used to select for specific microorganisms
  • explain the various nutrient sources used by microbes
  • discuss the ecological factors involved in microbial growth
Lab

Title

Objectives

1

Microbial Cell Structure & Function
  • Name the structures that all bacteria possess
  • Compare and contrast the features of prokaryotic and eukaryotic cells

2

Introduction to Culturing & Aseptic Technique
  • Describe the components of complete growth media
  • Understand the processes required to keep samples sterile
  • Explain proper disposal techniques for microbial samples

3

Quantification of Cultured Microorganisms
  • Provide examples of techniques used to quantify bacteria
  • Understand Colony Forming Units and what they represent
  • Quantify bacterial samples using a serial dilution

4

Selective Media & Agar
  • Understand the physical requirements for growth
  • Describe the chemical requirements for growth

5

Microbial Nutrition
  • List the fundamental nutrients required for survival
  • Explain the process of detecting starch-degrading bacteria in a given sample

6

Microbial Ecology
  • Explain how different organisms deal with oxygen
  • Describe how temperature and pH affect microbial growth

7

Microbial Control
  • Describe how antibiotics are used to control microbial growth
  • Examine the effects of chemical germicides on bacterial growth

8

Industrial Microbiology
  • Describe how fermentation by microorganisms is utilized in food production
  • Understand the health hazards associated with harmful microorganisms
  • Explain how recombinant DNA is used for medical and industrial applications
StraighterLine suggests, but does not require, that students complete an equivalent to Introduction to Biology (BIO101) and Introduction to Biology Lab (BIO101L prior to enrolling in this course. Concurrent enrollment in StraighterLine’s Microbiology course (BIO250) is strongly encouraged.

This course utilizes custom lab kit from eScience Labs which costs $219 plus shipping. Click the kit code [Kit6033] to purchase from eScience Labs. Please note that purchasing the correct kit is essential to your success in the course.

StraighterLine provides a percentage score and letter grade for each course. A passing percentage is 70% or higher.

If you have chosen a Partner College to award credit for this course, your final grade will be based upon that college's grading scale. Only passing scores will be considered by Partner Colleges for an award of credit.

There are a total of 1000 points in the course:

Topic

Assessment

Points Available

1

Microbial Cell Structure & Function Worksheet

95

 

Lab Exam

48

2

Introduction to Culturing & Aseptic Technique Worksheet

95

 

Lab Exam

48

3

Quantification of Cultured Microorganisms Worksheet

95

 

Lab Exam

48

4

Selective Media & Agar Worksheet

95

 

Lab Exam

48

5

Microbial Nutrition Worksheet

95

 

Lab Exam

48

6

Microbial Ecology Worksheet

95

 

Lab Exam

48

7

Microbial Control Worksheet

95

 

Lab Exam

48

8

Industrial Microbiology Worksheet

95

 

Lab Exam

48

Total

1000

This lab-only course is designed as a standalone addition to StraighterLine’s Microbiology course. Students will complete at-home laboratory experiments, track and record results, answer lab-based questions reflected in graded lab reports, and complete lab-based assessments to meet the lab requirement. The labs are provided by eScience Labs, a leading provider of at-home lab kits and online lab instructional materials and resources.

Information about the required lab kit is available in the "Course Text" tab below.

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