Which of the following locations is the main reservoir for nitrogen in the nitrogen cycle?
A) atmosphere
B) sedimentary bedrock
C) fossilized plant and animal remains (coal, oil, and natural gas)
D) plant and animal biomass
E) soil
Answer: A
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The laboratory receives a blood soaked gauze pad with some tissue wrapped in it for culture in a sterile container. The proper disposal of the material will include:
a. placement in the appropriate biohazard container. b. placement in the garbage as long as it is enclosed in the sterile container. c. treatment with a disinfectant prior to dis-posal in the biohazard container. d. placement in the appropriate biohazard container and sterilization for contamina-tion with organic material.
Because of its location in the electron transfer
chain, delivery of electrons to each FAD results in __________ ATPs. a. 4 b. 2 c. 3 d. 32 e. 0
Using today’s genetic technology, it is possible to select ____________________ for specific traitsFill in the blank(s) with the appropriate word(s)
Staphylococcus and Streptococcus can be easily differentiated in a laboratory by which one of the following?
A) cell shape B) Gram stain reaction C) growth in high salt concentrations D) ability to cause disease E) glucose fermentation