Watson and Crick Proposed That DNA Exists as A(n)

question 140

Multiple Choice

Watson and Crick proposed that DNA exists as a(n)

• A)alpha helix.
• B)double helix.
• C)beta sheet.
• D)pleated sheet.

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Definitions:

Smoking

The practice of inhaling and exhaling the smoke of tobacco or a drug.

Lung Cancer

A type of cancer that begins in the lungs, often associated with smoking and exposure to toxic substances.

Relationship

A significant connection or association between two or more people that may be based on influence, affection, or cooperation.

Attrition

The reduction in the number of research participants or subjects as some drop out over the course of a study.