The three-dimensional structure of a protein is analyzed most definitively by
a. electron microscopy.
b. light microscopy.
c. subcellular fractionation.
d. X-ray crystallography
Answer: d. X-ray crystallography
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The chromosome number of hexaploid wheat, Triticum aestivum, can be represented as _____
A) n B) 2n C) 4n D) 6n
Your instructor has assigned you the task of identifying an unknown fungus. When you examine the cellular structure under the microscope, you note that the cells are flagellated. To which group does the unknown fungus belong?
A. chytrids B. choanflagellates C. yeasts D. conidia E. bread molds
Genes in other species are useful for finding genes in the human genome. Indicate whether the statement is true or false
In which area would significant water conservation have the greatest impact?
A) car washes B) power plant cooling C) the home D) agriculture