Working with biosafety Level 3 agents requires:

a. U.S. Department of Agriculture (USDA) credentials and a postgraduate degree in microbiology or a related field.
b. laboratory design features that control air movement.
c. personnel to wear protective clothing and devices and enter a decontaminating chamber before leaving.
d. workers to have blood samples routinely tested to rule out infection or contamina-tion.


B
Biological agents are classified into levels, based on their degree of potential harm, from nonha-zardous (Level 1) to the most hazardous (Level 4).

Biology & Microbiology

You might also like to view...

The organism shown above is using which of

the following types of reproduction? a. asexual budding b. sexual production of eggs c. hermaphroditic co-fertilization d. a combination of all three e. none of these

Biology & Microbiology

Which graph shows that species diversity is

much less at the equator than at 60 degrees north latitude? a. A b. B c. both d. neither e. not enough data is provided to answer the question

Biology & Microbiology

Macromolecules including sugars, glycogen, and starches composed of sugar monomers linked and cross-linked

together are known as ____. a. carbohydrates b. lipids c. proteins d. fatty acids e. nucleic acids

Biology & Microbiology

Which of the following leads to the destruction of the host cells?

A) lysogenic cycle B) lytic cycle C) prophage D) temperate phage

Biology & Microbiology