X-Ray Data Showed That the Spacing Between Repeating Units Along

question 47

Multiple Choice

X-ray data showed that the spacing between repeating units along the axis of the DNA helix is

• A) 2.0 angstroms.
• B) 3.4 angstroms.
• C) 20 angstroms.
• D) 34 angstroms.
• E) None of the choices are correct.

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The head of state and government of the United States of America, elected to a four-year term and responsible for the execution of federal laws and the administration of national policies.

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