[Campbell Biology P.132] According to the provided research method, what is the primary purp... | Practice Question

According to the provided research method, what is the primary purpose of X-ray crystallography?

  • A: To synthesize new macromolecules in the laboratory.
  • B: To determine the three-dimensional (3-D) structure of macromolecules.
  • C: To measure the rate of protein folding in a cell.
  • D: To analyze the sequence of amino acids in a polypeptide.

Explanation

The 'Application' section of Figure 5.21 states: 'Scientists use X-ray crystallography to determine the three-dimensional 3-D structure of macromolecules such as nucleic acids and proteins.'