X-ray crystallography was used to determine the structure of:
A. cholesterol.
B. vitamin B12.
C. myoglobin.
D. insulin.
E. All of these choices are correct.
Answer: E
Biology & Microbiology
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a. Photolysis b. Aerobic respiration c. Fermentation d. Anaerobic respiration e. Photosynthesis
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The lymphatic system consists of the blood vessels, lymphatic vessels and the lymphatic organs.
a. true b. false
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Cardiovascular disorders are the number ________ cause of death in the United States
Fill in the blank(s) with correct word
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