Using an “Unknown Characterization” Activity as the Midterm Lab Practical in a Large Enrollment, Multi-Lab Section Microbiology Course

The characterization and identification of “unknowns” is an often-used laboratory activity in microbiology courses. As course enrollments become large, the logistics of providing unknown culture mixes, tubed and plated culture media, plus incubator and refrigerator space become quite daunting. A few...

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Autor principal:	Ned T. Barden
Formato:	article
Lenguaje:	EN
Publicado:	American Society for Microbiology 2010
Materias:	Special aspects of education LC8-6691 Biology (General) QH301-705.5
Acceso en línea:	https://doaj.org/article/fa21d5bea9434b538fcf3a71744822b2
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spelling	oai:doaj.org-article:fa21d5bea9434b538fcf3a71744822b22021-11-15T15:04:11ZUsing an “Unknown Characterization” Activity as the Midterm Lab Practical in a Large Enrollment, Multi-Lab Section Microbiology Course10.1128/jmbe.v11i2.2211935-78851935-7877https://doaj.org/article/fa21d5bea9434b538fcf3a71744822b22010-01-01T00:00:00Zhttps://journals.asm.org/doi/10.1128/jmbe.v11i2.221https://doaj.org/toc/1935-7877https://doaj.org/toc/1935-7885The characterization and identification of “unknowns” is an often-used laboratory activity in microbiology courses. As course enrollments become large, the logistics of providing unknown culture mixes, tubed and plated culture media, plus incubator and refrigerator space become quite daunting. A few years ago we discontinued the three-week Unknowns lab exercise when enrollment reached 240 or so students. In its place we have developed an hour long, midterm lab practical that incorporates smear preparation and the Gram stain, biochemical media, rapid tests, and a streak plate. This easy-to-grade laboratory assessment tool has taken the place of the more traditional station-to-station lab practical, and has worked well for the instructors responsible for administering practicals to 480 students in 13 lab sections over a two-day period.Ned T. BardenAmerican Society for MicrobiologyarticleSpecial aspects of educationLC8-6691Biology (General)QH301-705.5ENJournal of Microbiology & Biology Education, Vol 11, Iss 2, Pp 179-180 (2010)
institution	DOAJ
collection	DOAJ
language	EN
topic	Special aspects of education LC8-6691 Biology (General) QH301-705.5
spellingShingle	Special aspects of education LC8-6691 Biology (General) QH301-705.5 Ned T. Barden Using an “Unknown Characterization” Activity as the Midterm Lab Practical in a Large Enrollment, Multi-Lab Section Microbiology Course
description	The characterization and identification of “unknowns” is an often-used laboratory activity in microbiology courses. As course enrollments become large, the logistics of providing unknown culture mixes, tubed and plated culture media, plus incubator and refrigerator space become quite daunting. A few years ago we discontinued the three-week Unknowns lab exercise when enrollment reached 240 or so students. In its place we have developed an hour long, midterm lab practical that incorporates smear preparation and the Gram stain, biochemical media, rapid tests, and a streak plate. This easy-to-grade laboratory assessment tool has taken the place of the more traditional station-to-station lab practical, and has worked well for the instructors responsible for administering practicals to 480 students in 13 lab sections over a two-day period.
format	article
author	Ned T. Barden
author_facet	Ned T. Barden
author_sort	Ned T. Barden
title	Using an “Unknown Characterization” Activity as the Midterm Lab Practical in a Large Enrollment, Multi-Lab Section Microbiology Course
title_short	Using an “Unknown Characterization” Activity as the Midterm Lab Practical in a Large Enrollment, Multi-Lab Section Microbiology Course
title_full	Using an “Unknown Characterization” Activity as the Midterm Lab Practical in a Large Enrollment, Multi-Lab Section Microbiology Course
title_fullStr	Using an “Unknown Characterization” Activity as the Midterm Lab Practical in a Large Enrollment, Multi-Lab Section Microbiology Course
title_full_unstemmed	Using an “Unknown Characterization” Activity as the Midterm Lab Practical in a Large Enrollment, Multi-Lab Section Microbiology Course
title_sort	using an “unknown characterization” activity as the midterm lab practical in a large enrollment, multi-lab section microbiology course
publisher	American Society for Microbiology
publishDate	2010
url	https://doaj.org/article/fa21d5bea9434b538fcf3a71744822b2
work_keys_str_mv	AT nedtbarden usinganunknowncharacterizationactivityasthemidtermlabpracticalinalargeenrollmentmultilabsectionmicrobiologycourse
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Using an “Unknown Characterization” Activity as the Midterm Lab Practical in a Large Enrollment, Multi-Lab Section Microbiology Course

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