Questions: What is the shape of DNA? double twist single helix twisted helix double helix

What is the shape of DNA?
double twist
single helix
twisted helix
double helix
Transcript text: What is the shape of DNA? double twist single helix twisted helix double helix
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Solution

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The answer is the fourth one: double helix.

Explanation for each option:

  1. Double twist: This is not a correct term used to describe the shape of DNA. DNA is not commonly referred to as a "double twist."
  2. Single helix: This is incorrect. A single helix would imply only one strand, whereas DNA consists of two strands.
  3. Twisted helix: While DNA is indeed twisted, the term "twisted helix" is not the standard term used to describe its structure.
  4. Double helix: This is the correct answer. DNA is composed of two strands that coil around each other, forming a structure known as a double helix.

Summary: The shape of DNA is a double helix.

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