Bacteria and Bacterial Structure – Bacteria
Über den Vortrag
Der Vortrag „Bacteria and Bacterial Structure – Bacteria“ von Vincent Racaniello, PhD ist Bestandteil des Kurses „Physikum Komplettkurs“.
Quiz zum Vortrag
Which of the following is NOT a characteristic of the outer capsule of Gram-negative and Gram-positive bacteria?
- It rotates like a fan and propels the bacteria forward and backward based on energy stores and cellular nutrient requirements.
- It is usually made of amino acids or sugars.
- Its characteristics determine the bacteria's ability to colonize a specific niche, such as an organ or an outside environment.
- It protects the cell from drying out or desiccating.
- It constitutes a defense against the immune system by protecting the bacteria from phagocytic cells.
What is the morphology of E. coli when viewed under a microscope?
- Rods
- Spirals
- Spheres
- Sheets
- Squamose
What is the estimated number of bacteria on Earth?
- 5x10^30
- 5x10^10
- 5x10^20
- 5x10^40
- 5x10^59
Where is most of the genetic material of bacteria located?
- In the nucleoid
- In the nucleus
- In the nucleolus
- In multiple nuclei
The Gram classification of bacteria is based on which characteristic of the bacteria?
- Staining
- Size
- Shape
- Solubility
- Mobility
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Dozent des Vortrages Bacteria and Bacterial Structure – Bacteria
Vincent Racaniello, PhD
Dr. Vincent Racaniello is a Higgins Professor of Microbiology and Immunology at Columbia University, in New York, USA.
He obtained his PhD at Mount Sinai School of Medicine, in New York City, in 1979 and joined the faculty of Columbia University in 1982.
Because of his achievements, he has received several awards, including the Irma T. Hirschl, Searle Scholars Program, Eli Lilly, and NIH Merit Awards. Dr. Racaniello is interested in using new media for medical education; he writes on his virology blog and hosts and produces several podcasts.
Within Lecturio, Dr. Racaniello teaches courses on Microbiology.
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