Dictionary » H » Helix



(Science: chemistry molecular biology) a spiral structure in a macromolecule that contains a repeating pattern. A curve that lies on the surface of a cylinder or cone and cuts the element at a constant angle.A structure consisting of something wound in a continuous series of loops; a coil of rope.Type genus of the family Helicidae.A spiral where any point of the spiral is exactly the same distance to the centre of it in respect to other parts of the spiral.

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Thank you.. But B-DNA is the normal Watson Crick double helix form of DNA isn't it? So it should be the one discovered first right?

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by Sue4
Tue Aug 26, 2014 3:27 am
Forum: Molecular Biology
Topic: B-DNA and A-DNA
Replies: 3
Views: 617

Protein structure

Hi guys, I know that Protein structure related to their function. Certain protein usually have alpha helix is more prominent but certain protein have beta structure more prominent. My question is which amino acid is favourable to form alpha helix and beta structure? What ...

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by kanagasundar
Sat Sep 14, 2013 2:40 am
Forum: Cell Biology
Topic: Protein structure
Replies: 1
Views: 864

DNA helix and gene

Do the two strands of DNA helix carry the same genetic information?

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by Fearnot
Sat Aug 17, 2013 10:30 am
Forum: Molecular Biology
Topic: DNA helix and gene
Replies: 2
Views: 2961

Questions on the Sodium Potassium Pump and Enzymes

... bonds between Okazaki fragments... What about when one job involves two enzymes ie. DNA Gyrase and DNA Helicase in unwinding the double helix or when an enzyme has two jobs such as DNA Polymerase forming phosphodiester bonds between nucleotides and adding new nucleotides to the RNA Primer. ...

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by JoWillyTso
Mon Nov 05, 2012 5:50 pm
Forum: Cell Biology
Topic: Questions on the Sodium Potassium Pump and Enzymes
Replies: 3
Views: 3789

Formation of helices in heterogeneous protein vs. homogeneou

... in a heterogeneous protein compared to homogeneous protein, other than the propensity for helices being sequence dependent. Relate it to the coil-helix transition, fractional helicity and melting temperature.

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by JordanGo
Fri Oct 19, 2012 8:16 pm
Forum: Cell Biology
Topic: Formation of helices in heterogeneous protein vs. homogeneou
Replies: 0
Views: 1193
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