Blog

The sticky end of the DNA restriction fragment shown here will pair with a DNA restriction fragment with the sticky end _____.

_________kills all microorganisms on a surface including endospores, while ______ attempts to reduce the number of pathogenic microbes.

Which of the following microbial control methods will kill endospores?

Which of the following best describes viral attachment?

This disease is associated with lakes and streams and infection leads to a watery diarrhea.

Which is the most common route of HIV transmission in the U.S.?

A six-year-old female was admitted to the hospital with 1-week history of fever with sore throat and headache.  She had been given an oral beta-lactam by a local physician.  The day before admission she had developed pain and swelling in her right ankle.  When evaluated on the day of admission, she was noted to have a pronounced systolic heart murmur consistent with mitral valve regurgitation.  The likely infectious agent:

An MCB 2000 student has acute onset of chills and fever with dry non-productive cough 48 hours after exposure to influenza virus.  The 48 hours between exposure and the beginning of symptoms is called: 

An example of a local pathogenic effect:

The ID50 of a bacterial pathogen is: