High doses of AAS have been found to
a. increase TSH levels.
b. decrease gonadotrophins from the hypothalamus.
c. increase natural testosterone.
d. decrease thyroxine levels.
e. have no effect on TSH levels.
A
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Which of the following experimental techniques is not useful for generating protein interaction networks?
A. protein chips B. 2D gel electrophoresis C. immunoprecipitation D. "Rosetta stone" fusions E. two-hybrid analysis
A developing organism's failure to produce muscle tissue is most likely due to
A) underdevelopment of the ectoderm. B) underdevelopment of the endoderm. C) fibroblast growth factor receptor mutations. D) adenylate cyclase mutations. E) missing chromosomes.
Clostridium, Lactobacillus, and Propionibacterium all
A. use sulfur compounds as terminal electron acceptors. B. oxidize inorganic compounds. C. oxidize organic compounds. D. use organic compounds as terminal electron acceptors. E. oxidize organic compounds AND use organic compounds as terminal electron acceptors.
As a scientist, which of the following would you use as evidence to propose changing the traditional animal
phylogenies? a. fossil record b. molecular data c. predator-prey relationships d. newly discovered prokaryotes in soil e. better electron microscope pictures of cells