Which of the following substances is commonly used to inactivate microbes?
A) formaldehyde
B) alcohol
C) synthetic detergents
D) fluorescent dyes
E) alum
A
Bloom's Taxonomy: Comprehension
Section: Immunization
Learning Outcome: 17.2
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Which of the following statements about energy from the Sun is correct?
A. the surface temperature of the sun is about 6000 degrees Fahrenheit B. about 4% of the suns radiation is in the visible light spectrum C. on an energy distribution curve, the sun's emissions peak around .5 micrometers D. earth acts as a blackbody because of it's dark color E. the earth emits shorter-wave radiation than the sun
In the international division of labor, one reason for China's role as a major producer of everything from shoes to toys is the endless supply of people who will work for ________ an hour
A) nothing B) 6 cents C) 60 cents D) 6 dollars E) 60 dollars
__________ are the functional units of heredity, and they code for specific __________
a. DNA; genes b. Genes; proteins c. Proteins; genes d. Nucleotides; DNA
Chargaff determined that DNA from any source contains about the same amount of guanine as
__________. a. uracil b. thymine c. adenine d. cytosine e. guanine