Helix

Helix is a term used in biology and genetics to describe the structure of DNA and protein molecules. The term is derived from the Greek word 'helix', meaning 'twisted'. The most common form of helix in biology is the double helix structure of DNA.

Structure

The helix structure is characterized by a spiral shape, with each turn of the spiral being called a turn. In a double helix, two strands of DNA are twisted around each other, with the bases on each strand pairing up to form the rungs of the ladder-like structure. The helix structure is also found in proteins, where it is known as an alpha helix.

Function

The helix structure of DNA and proteins is crucial for their function. In DNA, the double helix allows for the storage of genetic information in a compact and stable form. The helix structure of proteins allows them to fold into specific shapes, which is crucial for their function.

Types of Helix

There are several types of helix structures in biology, including the double helix of DNA and the alpha helix of proteins. Other types of helix include the triple helix found in collagen and the quadruple helix found in some types of DNA.

See Also

• DNA
• Protein structure
• Alpha helix
• Double helix
• Triple helix
• Quadruple helix

Helix

• 
  Springs 016
• 
  Senkschraube
• 
  Helix
• 
  Two Types of Helix
• 
  Rising Circular
• 
  Lehn Beautiful Foldamer HelvChimActa 1598 2003
• 
  DirkvdM Natural Spiral
• 
  Magnetic Deflection Helical Path
• 
  Ressort de traction à spires non jointives