... for a common skill-based lab in undergraduate majors’ and non-majors’ biology: the Gram stain. The modified lab includes elements of inquiry without completely overhauling the original activity to allow for both skill-based and conceptual knowledge development. With a few alterations, this instructional...

... in their tested substance, Gram stain selected colonies, and discuss their results as a class. SALG surveys indicated a significant gain in their understanding of the microbiology concepts introduced in this lab. © 2019 National Association of Biology Teachers. All rights reserved. Please direct all requests...