Which continuous growth system uses a CO2 sensor to monitor mycobacterial growth?
a. BACTEC 9000 MB
b. BACTEC MGIT 960
c. MGIT System
d. BacT/Alert
D
Organisms are cultured in modified Middlebrook 7H9 broth. The BacT/Alert instrument detects growth by monitoring CO2 production with a colorimetric CO2 sensor in each bottle.
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CFTR is a macromolecule that is composed of which of the following?
a. amino acids b. nucleic acids c. glucose d. triglycerides
Refer to Figure 5-1. Which of the following statements about the red blood cells in Figure B is true?
a. These red blood cells have been placed in an isotonic solution.
b. These red blood cells have swollen in response to a hypertonic external solution.
c. These red blood cells have swollen in response to a hypotonic external solution.
d. These red blood cells have shrunken in response to a hypertonic external solution.
e. These red blood cells have shrunken in response to a hypotonic external solution
In your body not all cells go through the cell cycle
a. true b. false
Spirochetes move by means of
a) axial filaments. b) flagella. c) pili. d) fimbriae.