Biology Archive
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Richard Feynman Explains How Fire Works [Video]
Posted on January 4, 2013 | No CommentsHe breaks down everything with such clarity and passion that he's like a magical storyteller. -
The Billion-Bug Highway You Can’t See (Video)
Posted on August 12, 2012 | No CommentsYou may see a blue sky and maybe a plane or a bird, but otherwise ... nothing. Or so you think. Learn how trillions of bugs ride the wind currents miles up in the sky. -
Notes for Microbiology Final Exam
Posted on June 5, 2012 | No CommentsPharmacology refers to drug administration (including dosage) and distribution in the body (pharmacokinetics). The area under the curve includes T half-life, peak concentration, time to achieve peak, elimination and protein... -
Microbiology Tests
Posted on May 30, 2012 | 2 CommentsMannitol Salt Agar Mannitol provides the substrate for fermentation and makes the medium differential. The salt makes the medium selective because its concentration is high enough to dehydrate and kill most... -
Lab Practicum Review
Posted on May 30, 2012 | No Comments1. Identify the bacterial organelle shown. What is its function? Give the gram reaction. Organelle: Capsule. Function: Cytotoxic. Gram reaction: Indeterminate because it’s not a gram stain. 2. Name the plant... -
Why do bare feet feel much colder on wood and tile rather than on carpet?
Posted on March 21, 2012 | 1 CommentIf both carpet and tile are the same temperature, why does tile feel so much colder than the other? -
Culturing Bacteria in the Clinical Lab
Posted on March 11, 2012 | 1 CommentAll about pure cultures, sterilization and isolation. -
Viability Stains
Posted on March 11, 2012 | 2 CommentsKnow the difference between Methylene Blue and Trypan Blue viability stains. -
The Gram Stain Procedure and its Role in the C & S
Posted on March 11, 2012 | 3 CommentsClinical uses for gram stain, the procedure itself and the role of gram stain and acid fast stain in C & S