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Hairpin lace is formed by wrapping yarn around the prongs of the hairpin lace loom to form loops, which are held together by a row of crochet stitches worked in the center, called the spine. The resulting piece of lace can be worked to any length desired by removing the bottom bar of the hairpin and slipping the loops off the end.
Photograph Schematic U.S. term U.K. term Turning chain slip stitch slip stitch / single crochet N/A chain stitch chain stitch N/A single crochet
The hairpin loop forms in an mRNA strand during transcription and causes the RNA polymerase to become dissociated from the DNA template strand. This process is known as rho-independent or intrinsic termination, and the sequences involved are called terminator sequences.
Filet crochet is a type of crocheted fabric that imitates filet lace. This type of crocheted lace is gridlike because it uses only two crochet stitches: the chain stitch and the double crochet stitch (U.S. terminology; known in some other countries as chain stitch and treble). Old filet patterns used a treble or triple stitch vertically but ...
An example of an RNA stem-loop. If now a second RNA stem-loop has complementary base-sequence, the two loops can base pair resulting in a kissing loop. This animated GIF shows two RNA loops (orange and green) bind to each other in a structure called a kissing loop.
The skill of lacemaking soon spread beyond Dublin to the poorest parts of the country; it proved a popular means for young women to help support their families. Lace-making required little equipment beyond bobbins and fine cotton or linen thread, and a great deal of patience, so was suitable for remote parts of the country that had little industry and few employment options.
Simple pinprick designs are created by leaving gaps, or holes, in the otherwise plain cloth work formed by the buttonhole stitches. Hollie point has always been more or a domestic, rather than a professional, art. Hollie point was used primarily on baby clothes in the 18th and early 19th century, especially, christening sets.
Bobbin tape lace. Bobbin tape lace is bobbin lace where the design is formed of one or more tapes curved so they make an attractive pattern. The tapes are made at the same time as the rest of the lace, and are joined to each other, or themselves, using a crochet hook. The tapes are made curved, and by hand, using bobbin lace techniques.