Website supported by the University at Buffalo Libraries. Which terms or techniques are new or unclear to you? Light and electron microscopic images of nanobacteria. Copyright National Academy of Sciences, U. DNA can be identified by itsstaining properties Hoechst or ethidium bromide or by its ability to absorb light at a wavelength ofnm ultraviolet.
One difference between the papers focuses on the evidence for DNA. Answer Key Answer keys for the cases in our collection are password-protected and access to them is limited to paid subscribed instructors. Gamma Exposure to gamma radiation prevents the formation of a biofilm. You can publish your book online for free in a few minutes! Which of the new results are supportive of Kajander and Ciftcioglu?
These theories must either bemodified or abandoned when new evidence is made available that challenges our understanding.
Support conclusions based on evidence. Choose ONE property of life and propose a way you could test for thatproperty.
You must provide compelling, positive evidence that offers an alternative explanation of the published observations. Property of Life Is this How would you test for this studj Consider the results from each of the three experiments described above. Which terms or techniques are new or unclear to you? Sometimes,however, the designation of something as a living thing is not so obvious.
RadiationTransferability When a biofilm nanobacteria isolated by scraping the surface of an established culture was diluted 1: In October ofCisar et al. The appearance of the particles was very similar to those found in nanobacterial cultures.
Nanobacteria maintained in culture would generate a biofilm 2. Report a Problem with this Resource Record. One difference between the papers focuses on the evidence for DNA. Consider the data from the sudy by Cisar et al. Website supported by the University at Buffalo Libraries.
Please see our usage guidelineswhich outline our policy concerning permissible reproduction of this work. They typically include a summary of the case, teaching objectives, information about the intended audience, details about how the case may be taught, and a list of references and resources.
Research — Outlines, syllabi. Fill out the table on the Work Sheet for Part I and bring it with you to the nextclass period. How does this data compare to that of Kajander and Ciftcioglu? Light and electron microscopic images of nanobacteria.
The case-study based activities include: Bacteria are prokaryotic cells. Read the Text Version. Biochemical examination of biofilm-associated macromolecules.
Nanobacteria: Are They or Aren’t They Alive? A Case Pages 1 – 18 – Text Version | FlipHTML5
Assignment for Part II: Sterile DMEM culture media will not form a biofilm on its own. The fundamental issue under consideration is whether nanobacteria answef alive. Bacteria are extremely abundant andversatile, occurring in every environment on Earth including inside and outside your body. It is possible to scrape up this biofilm, dilute the components 1: Teaching Notes Case teaching notes are password-protected and access to them is limited to paid subscribed instructors.
How would you decide this question?
In addition to the evidence you have alreadyconsidered, these authors describe three key experiments that they feel greatly strengthen theirhypothesis. It’s easy, fast, and FREE!
Assignment for Part I: