Your research project involves characterizing the expression pattern of a nuclear pore protein. After using immunohistochemistry to fluorescently label the protein, you decide that you would like to capture the data as a 3-D image. Which microscope should you use?
A. phase-contrast microscope
B. confocal microscope
C. scanning electron microscope
D. fluorescence microscope
Answer: B
Biology & Microbiology
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Species richness of birds in the continental United States is highest
A. where temperatures are highest. B. in northern California. C. in Florida. D. in Texas. E. in the center.
Biology & Microbiology
The first fungi were most likely ____
a. airborne b. terrestrial c. arboreal d. aquatic e. amphibious
Biology & Microbiology
A tRNA molecule is "bilingual" because it "speaks the language of" or binds to
A. amino acids and DNA B. DNA and mRNA codons C. promoters and amino acids D. codons of mRNA and amino acids E. promoters and terminators
Biology & Microbiology
The hormone calcitonin is secreted by the ______ gland.
a. pituitary
b. adrenal
c. thyroid
d. parathyroid
Biology & Microbiology