noun
COLLOCATIONS FROM OTHER ENTRIES
double helix
COLLOCATIONS FROM CORPUS
■ ADJECTIVE
double
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The entwined serpents forming a double helix gave birth to the Caduceus.
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Cobras are constantly depicted entwined in a double helix .
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If the ends of such non-dividing clone are held while it grows, then unexpectedly a double helix appears.
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These conformations influence the position of the phosphate group with respect to the grooves of the double helix .
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In the formation of the double helix , a total of 12 rotors are restricted per base pair stack.
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Each then acts as a template to which other simpler molecules become attached until each has once more become a double helix .
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Thus each double helix becomes two double helices, with the two new doublets remaining joined at the centromere.
EXAMPLES FROM CORPUS
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A helix is any line in which the curvature and torsion measured anywhere and everywhere are in a constant proportion.
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A right handed helix , moving away, is the departure of a friend.
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Similar principles apply to helices: A right handed helix , moving forward, is anticlockwise and aggressive.
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The eastbound helix coiled against the sky like a giant concrete snail.
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The spiral and its three dimensional expression, the helix , have a handedness that is intrinsic.
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The twisting of the chain into a helix is a large number of small twists by the individual amino acids.
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These residues lie 25-30 away from Lys 69 and Arg73 in the recognition helix .
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This is similar to the commonly observed phosphate-binding sites at helix termini in other proteins and, in particular, other repressor-operator complexes.