Penicillin Killing Bacteria

Topic

Resource Type

Level

High School — GeneralHigh School — AP/IBCollege

Duration

00:00:34
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11 Users

Description

This video shows real footage of the effects of adding penicillin to a culture of bacteria.

Penicillin interferes with bacteria’s ability to synthesize their cell wall. This video shows that as bacteria grow, their cell walls rupture when weakened by penicillin.

This clip is from a 1999 Holiday Lecture Series, 2000 and Beyond: Confronting the Microbe Menace.

Key Terms

antibiotic, cell wall, Escherichia coli (E. coli), medicine, peptidoglycan, pharmacology

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